Re: [PATCH 2/4] staging: rtl8188eu: include: fixed multiple parentheses coding style issues

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Hi K,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/B-K-Karthik/staging-rtl8188eu-include-fixed-multiple-blank-space-coding-style-issues/20200718-172103
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 9d5d041eebe3dcf7591ff7004896c329eb841ca6
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   In file included from arch/m68k/include/asm/io_mm.h:25,
                    from arch/m68k/include/asm/io.h:8,
                    from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:11,
                    from include/linux/skbuff.h:31,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:9:
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb':
   arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      83 |  ({u8 __w, __v = (b);  u32 _addr = ((u32) (addr)); \
         |       ^~~
   arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8'
     430 |   rom_out_8(port, *buf++);
         |   ^~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw':
   arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      86 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16'
     448 |   rom_out_be16(port, *buf++);
         |   ^~~~~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw':
   arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      90 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16'
     466 |   rom_out_le16(port, *buf++);
         |   ^~~~~~~~~~~~
   In file included from include/linux/kernel.h:11,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:9:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:12,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/m68k/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/seqlock.h:36,
                    from include/linux/time.h:6,
                    from include/linux/skbuff.h:15,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:9:
   include/linux/dma-mapping.h: In function 'dma_map_resource':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/asm-generic/bug.h:144:27: note: in definition of macro 'WARN_ON_ONCE'
     144 |  int __ret_warn_once = !!(condition);   \
         |                           ^~~~~~~~~
   arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid'
     170 | #define pfn_valid(pfn)  virt_addr_valid(pfn_to_virt(pfn))
         |                         ^~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid'
     352 |  if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
         |                   ^~~~~~~~~
   In file included from include/linux/kernel.h:15,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:9:
   drivers/staging/rtl8188eu/core/rtw_ap.c: In function 'rtw_sta_flush':
   drivers/staging/rtl8188eu/include/osdep_service.h:79:38: warning: left-hand operand of comma expression has no effect [-Wunused-value]
      79 | #define FUNC_NDEV_ARG(ndev) (__func__, (ndev)->name)
         |                                      ^
   include/linux/printk.h:368:34: note: in definition of macro 'pr_info'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                                  ^~~~~~~~~~~
   drivers/staging/rtl8188eu/core/rtw_ap.c:1606:2: note: in expansion of macro 'DBG_88E'
    1606 |  DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
         |  ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_ap.c:1606:29: note: in expansion of macro 'FUNC_NDEV_ARG'
    1606 |  DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
         |                             ^~~~~~~~~~~~~
   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:15,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:9:
>> include/linux/kern_levels.h:5:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO KERN_SOH "6" /* informational */
         |                   ^~~~~~~~
   include/linux/printk.h:368:9: note: in expansion of macro 'KERN_INFO'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   drivers/staging/rtl8188eu/include/rtw_debug.h:70:4: note: in expansion of macro 'pr_info'
      70 |    pr_info(DRIVER_PREFIX __VA_ARGS__);  \
         |    ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_ap.c:1606:2: note: in expansion of macro 'DBG_88E'
    1606 |  DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
         |  ^~~~~~~
   In file included from drivers/staging/rtl8188eu/core/rtw_ap.c:11:
   drivers/staging/rtl8188eu/include/osdep_service.h:78:28: note: format string is defined here
      78 | #define FUNC_NDEV_FMT "%s(%s)"
         |                           ~^
         |                            |
         |                            char *
   In file included from drivers/staging/rtl8188eu/include/drv_types.h:41,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:12:
   At top level:
   drivers/staging/rtl8188eu/include/rtw_mlme_ext.h:177:3: warning: 'channel_table' defined but not used [-Wunused-const-variable=]
     177 | } channel_table[] = { { RT_CHANNEL_DOMAIN_FCC, "US" },
         |   ^~~~~~~~~~~~~
   In file included from drivers/staging/rtl8188eu/include/drv_types.h:26,
                    from drivers/staging/rtl8188eu/core/rtw_ap.c:12:
   drivers/staging/rtl8188eu/include/rtw_security.h:260:28: warning: 'K' defined but not used [-Wunused-const-variable=]
     260 | static const unsigned long K[64] = {
         |                            ^
--
   In file included from arch/m68k/include/asm/io_mm.h:25,
                    from arch/m68k/include/asm/io.h:8,
                    from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:11,
                    from include/linux/skbuff.h:31,
                    from include/linux/if_ether.h:19,
                    from include/uapi/linux/ethtool.h:19,
                    from include/linux/ethtool.h:18,
                    from include/linux/netdevice.h:37,
                    from drivers/staging/rtl8188eu/include/osdep_service.h:23,
                    from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:9:
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb':
   arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      83 |  ({u8 __w, __v = (b);  u32 _addr = ((u32) (addr)); \
         |       ^~~
   arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8'
     430 |   rom_out_8(port, *buf++);
         |   ^~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw':
   arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      86 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16'
     448 |   rom_out_be16(port, *buf++);
         |   ^~~~~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw':
   arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      90 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16'
     466 |   rom_out_le16(port, *buf++);
         |   ^~~~~~~~~~~~
   In file included from include/linux/kernel.h:11,
                    from include/linux/list.h:9,
                    from include/linux/preempt.h:11,
                    from include/linux/spinlock.h:51,
                    from drivers/staging/rtl8188eu/include/osdep_service.h:16,
                    from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:9:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:12,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/m68k/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from drivers/staging/rtl8188eu/include/osdep_service.h:16,
                    from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:9:
   include/linux/dma-mapping.h: In function 'dma_map_resource':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/asm-generic/bug.h:144:27: note: in definition of macro 'WARN_ON_ONCE'
     144 |  int __ret_warn_once = !!(condition);   \
         |                           ^~~~~~~~~
   arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid'
     170 | #define pfn_valid(pfn)  virt_addr_valid(pfn_to_virt(pfn))
         |                         ^~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid'
     352 |  if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
         |                   ^~~~~~~~~
   In file included from include/linux/kernel.h:15,
                    from include/linux/list.h:9,
                    from include/linux/preempt.h:11,
                    from include/linux/spinlock.h:51,
                    from drivers/staging/rtl8188eu/include/osdep_service.h:16,
                    from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:9:
   drivers/staging/rtl8188eu/core/rtw_ioctl_set.c: In function 'rtw_set_802_11_bssid_list_scan':
   drivers/staging/rtl8188eu/include/osdep_service.h:81:41: warning: left-hand operand of comma expression has no effect [-Wunused-value]
      81 | #define FUNC_ADPT_ARG(adapter) (__func__, (adapter)->pnetdev->name)
         |                                         ^
   include/linux/printk.h:368:34: note: in definition of macro 'pr_info'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                                  ^~~~~~~~~~~
   drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:427:4: note: in expansion of macro 'DBG_88E'
     427 |    DBG_88E(FUNC_ADPT_FMT": scan deny\n", FUNC_ADPT_ARG(padapter));
         |    ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:427:42: note: in expansion of macro 'FUNC_ADPT_ARG'
     427 |    DBG_88E(FUNC_ADPT_FMT": scan deny\n", FUNC_ADPT_ARG(padapter));
         |                                          ^~~~~~~~~~~~~
   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:15,
                    from include/linux/list.h:9,
                    from include/linux/preempt.h:11,
                    from include/linux/spinlock.h:51,
                    from drivers/staging/rtl8188eu/include/osdep_service.h:16,
                    from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:9:
>> include/linux/kern_levels.h:5:18: warning: format '%s' expects a matching 'char *' argument [-Wformat=]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO KERN_SOH "6" /* informational */
         |                   ^~~~~~~~
   include/linux/printk.h:368:9: note: in expansion of macro 'KERN_INFO'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   drivers/staging/rtl8188eu/include/rtw_debug.h:70:4: note: in expansion of macro 'pr_info'
      70 |    pr_info(DRIVER_PREFIX __VA_ARGS__);  \
         |    ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:427:4: note: in expansion of macro 'DBG_88E'
     427 |    DBG_88E(FUNC_ADPT_FMT": scan deny\n", FUNC_ADPT_ARG(padapter));
         |    ^~~~~~~
   In file included from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:9:
   drivers/staging/rtl8188eu/include/osdep_service.h:80:28: note: format string is defined here
      80 | #define FUNC_ADPT_FMT "%s(%s)"
         |                           ~^
         |                            |
         |                            char *
   In file included from drivers/staging/rtl8188eu/include/drv_types.h:26,
                    from drivers/staging/rtl8188eu/core/rtw_ioctl_set.c:10:
   At top level:
   drivers/staging/rtl8188eu/include/rtw_security.h:260:28: warning: 'K' defined but not used [-Wunused-const-variable=]
     260 | static const unsigned long K[64] = {
         |                            ^
--
   In file included from arch/m68k/include/asm/io_mm.h:25,
                    from arch/m68k/include/asm/io.h:8,
                    from include/linux/scatterlist.h:9,
                    from include/linux/dma-mapping.h:11,
                    from include/linux/skbuff.h:31,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:9:
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsb':
   arch/m68k/include/asm/raw_io.h:83:7: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      83 |  ({u8 __w, __v = (b);  u32 _addr = ((u32) (addr)); \
         |       ^~~
   arch/m68k/include/asm/raw_io.h:430:3: note: in expansion of macro 'rom_out_8'
     430 |   rom_out_8(port, *buf++);
         |   ^~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw':
   arch/m68k/include/asm/raw_io.h:86:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      86 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:448:3: note: in expansion of macro 'rom_out_be16'
     448 |   rom_out_be16(port, *buf++);
         |   ^~~~~~~~~~~~
   arch/m68k/include/asm/raw_io.h: In function 'raw_rom_outsw_swapw':
   arch/m68k/include/asm/raw_io.h:90:8: warning: variable '__w' set but not used [-Wunused-but-set-variable]
      90 |  ({u16 __w, __v = (w); u32 _addr = ((u32) (addr)); \
         |        ^~~
   arch/m68k/include/asm/raw_io.h:466:3: note: in expansion of macro 'rom_out_le16'
     466 |   rom_out_le16(port, *buf++);
         |   ^~~~~~~~~~~~
   In file included from include/linux/kernel.h:11,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:9:
   include/linux/scatterlist.h: In function 'sg_set_buf':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   include/linux/scatterlist.h:143:2: note: in expansion of macro 'BUG_ON'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |  ^~~~~~
   include/linux/scatterlist.h:143:10: note: in expansion of macro 'virt_addr_valid'
     143 |  BUG_ON(!virt_addr_valid(buf));
         |          ^~~~~~~~~~~~~~~
   In file included from arch/m68k/include/asm/bug.h:32,
                    from include/linux/bug.h:5,
                    from include/linux/thread_info.h:12,
                    from include/asm-generic/preempt.h:5,
                    from ./arch/m68k/include/generated/asm/preempt.h:1,
                    from include/linux/preempt.h:78,
                    from include/linux/spinlock.h:51,
                    from include/linux/seqlock.h:36,
                    from include/linux/time.h:6,
                    from include/linux/skbuff.h:15,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:9:
   include/linux/dma-mapping.h: In function 'dma_map_resource':
   arch/m68k/include/asm/page_mm.h:169:49: warning: ordered comparison of pointer with null pointer [-Wextra]
     169 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory)
         |                                                 ^~
   include/asm-generic/bug.h:144:27: note: in definition of macro 'WARN_ON_ONCE'
     144 |  int __ret_warn_once = !!(condition);   \
         |                           ^~~~~~~~~
   arch/m68k/include/asm/page_mm.h:170:25: note: in expansion of macro 'virt_addr_valid'
     170 | #define pfn_valid(pfn)  virt_addr_valid(pfn_to_virt(pfn))
         |                         ^~~~~~~~~~~~~~~
   include/linux/dma-mapping.h:352:19: note: in expansion of macro 'pfn_valid'
     352 |  if (WARN_ON_ONCE(pfn_valid(PHYS_PFN(phys_addr))))
         |                   ^~~~~~~~~
   In file included from include/linux/kernel.h:15,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:9:
   drivers/staging/rtl8188eu/core/rtw_mlme.c: In function 'rtw_scan_timeout_handler':
   drivers/staging/rtl8188eu/include/osdep_service.h:81:41: warning: left-hand operand of comma expression has no effect [-Wunused-value]
      81 | #define FUNC_ADPT_ARG(adapter) (__func__, (adapter)->pnetdev->name)
         |                                         ^
   include/linux/printk.h:368:34: note: in definition of macro 'pr_info'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |                                  ^~~~~~~~~~~
   drivers/staging/rtl8188eu/core/rtw_mlme.c:1345:2: note: in expansion of macro 'DBG_88E'
    1345 |  DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
         |  ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_mlme.c:1345:41: note: in expansion of macro 'FUNC_ADPT_ARG'
    1345 |  DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
         |                                         ^~~~~~~~~~~~~
   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:15,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:9:
>> include/linux/kern_levels.h:5:18: warning: format '%s' expects argument of type 'char *', but argument 3 has type 'int' [-Wformat=]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO KERN_SOH "6" /* informational */
         |                   ^~~~~~~~
   include/linux/printk.h:368:9: note: in expansion of macro 'KERN_INFO'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   drivers/staging/rtl8188eu/include/rtw_debug.h:70:4: note: in expansion of macro 'pr_info'
      70 |    pr_info(DRIVER_PREFIX __VA_ARGS__);  \
         |    ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_mlme.c:1345:2: note: in expansion of macro 'DBG_88E'
    1345 |  DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
         |  ^~~~~~~
   In file included from drivers/staging/rtl8188eu/core/rtw_mlme.c:11:
   drivers/staging/rtl8188eu/include/osdep_service.h:80:28: note: format string is defined here
      80 | #define FUNC_ADPT_FMT "%s(%s)"
         |                           ~^
         |                            |
         |                            char *
         |                           %d
   In file included from include/linux/printk.h:7,
                    from include/linux/kernel.h:15,
                    from include/linux/skbuff.h:13,
                    from include/linux/if_ether.h:19,
                    from include/linux/ieee80211.h:19,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:9:
>> include/linux/kern_levels.h:5:18: warning: format '%x' expects a matching 'unsigned int' argument [-Wformat=]
       5 | #define KERN_SOH "\001"  /* ASCII Start Of Header */
         |                  ^~~~~~
   include/linux/kern_levels.h:14:19: note: in expansion of macro 'KERN_SOH'
      14 | #define KERN_INFO KERN_SOH "6" /* informational */
         |                   ^~~~~~~~
   include/linux/printk.h:368:9: note: in expansion of macro 'KERN_INFO'
     368 |  printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
         |         ^~~~~~~~~
   drivers/staging/rtl8188eu/include/rtw_debug.h:70:4: note: in expansion of macro 'pr_info'
      70 |    pr_info(DRIVER_PREFIX __VA_ARGS__);  \
         |    ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_mlme.c:1345:2: note: in expansion of macro 'DBG_88E'
    1345 |  DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
         |  ^~~~~~~
   drivers/staging/rtl8188eu/core/rtw_mlme.c:1345:35: note: format string is defined here
    1345 |  DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
         |                                  ~^
         |                                   |
         |                                   unsigned int
   In file included from drivers/staging/rtl8188eu/include/drv_types.h:41,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:12:
   At top level:
   drivers/staging/rtl8188eu/include/rtw_mlme_ext.h:177:3: warning: 'channel_table' defined but not used [-Wunused-const-variable=]
     177 | } channel_table[] = { { RT_CHANNEL_DOMAIN_FCC, "US" },
         |   ^~~~~~~~~~~~~
   In file included from drivers/staging/rtl8188eu/include/drv_types.h:26,
                    from drivers/staging/rtl8188eu/core/rtw_mlme.c:12:
   drivers/staging/rtl8188eu/include/rtw_security.h:260:28: warning: 'K' defined but not used [-Wunused-const-variable=]
     260 | static const unsigned long K[64] = {
         |                            ^
..

vim +5 include/linux/kern_levels.h

314ba3520e513a Joe Perches 2012-07-30  4  
04d2c8c83d0e3a Joe Perches 2012-07-30 @5  #define KERN_SOH	"\001"		/* ASCII Start Of Header */
04d2c8c83d0e3a Joe Perches 2012-07-30  6  #define KERN_SOH_ASCII	'\001'
04d2c8c83d0e3a Joe Perches 2012-07-30  7  

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