Hi Rahul, [auto build test WARNING on linus/master] [also build test WARNING on v4.10-rc2 next-20170106] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Rahul-Krishnan/ssb-main-c-This-patch-removes-unnecessary-return-statement-using-spatch-tool/20170107-205451 config: i386-randconfig-r0-201701 (attached as .config) compiler: gcc-5 (Debian 5.4.1-2) 5.4.1 20160904 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/ssb/main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '/' token patch /home/rahul/git/kernels/staging/drivers//* ^ drivers/ssb/main.c:6:43: error: stray '@' in program * Copyright 2006, 2007, Michael Buesch <m@xxxxxxx> ^ In file included from include/linux/ioport.h:12:0, from include/linux/device.h:16, from include/linux/ssb/ssb.h:4, from drivers/ssb/ssb_private.h:4, from drivers/ssb/main.c:11: >> include/linux/compiler.h:110:34: warning: 'struct ftrace_branch_data' declared inside parameter list void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); ^ >> include/linux/compiler.h:110:34: warning: its scope is only this definition or declaration, which is probably not what you want include/linux/err.h: In function 'IS_ERR': include/linux/compiler.h:117:18: error: variable '______f' has initializer but incomplete type static struct ftrace_branch_data \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/compiler.h:117:18: error: unknown field 'func' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/compiler.h:121:13: warning: excess elements in struct initializer .func = __func__, \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/compiler.h:121:13: note: (near initialization for '______f') .func = __func__, \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/compiler.h:117:18: error: unknown field 'file' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/err.h:35:40: warning: excess elements in struct initializer return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/err.h:35:40: note: (near initialization for '______f') include/linux/compiler.h:117:18: error: unknown field 'line' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/err.h:35:40: warning: excess elements in struct initializer return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/err.h:35:40: note: (near initialization for '______f') include/linux/compiler.h:120:5: error: storage size of '______f' isn't known ______f = { \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/err.h:35:9: note: in expansion of macro 'IS_ERR_VALUE' return IS_ERR_VALUE((unsigned long)ptr); ^ include/linux/compiler.h:120:5: warning: unused variable '______f' [-Wunused-variable] ______f = { \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ include/linux/err.h:21:25: note: in expansion of macro 'unlikely' -- ^ include/linux/compiler.h:121:13: note: (near initialization for '______f') .func = __func__, \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ arch/x86/include/asm/preempt.h:98:9: note: in expansion of macro 'unlikely' return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ include/linux/compiler.h:117:18: error: unknown field 'file' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ arch/x86/include/asm/preempt.h:98:9: note: in expansion of macro 'unlikely' return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ arch/x86/include/asm/preempt.h:98:67: warning: excess elements in struct initializer return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ arch/x86/include/asm/preempt.h:98:67: note: (near initialization for '______f') include/linux/compiler.h:117:18: error: unknown field 'line' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ arch/x86/include/asm/preempt.h:98:9: note: in expansion of macro 'unlikely' return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ arch/x86/include/asm/preempt.h:98:67: warning: excess elements in struct initializer return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ arch/x86/include/asm/preempt.h:98:67: note: (near initialization for '______f') include/linux/compiler.h:120:5: error: storage size of '______f' isn't known ______f = { \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ arch/x86/include/asm/preempt.h:98:9: note: in expansion of macro 'unlikely' return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ include/linux/compiler.h:120:5: warning: unused variable '______f' [-Wunused-variable] ______f = { \ ^ include/linux/compiler.h:139:58: note: in expansion of macro '__branch_check__' # define unlikely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0)) ^ arch/x86/include/asm/preempt.h:98:9: note: in expansion of macro 'unlikely' return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset); ^ include/asm-generic/qspinlock.h: In function 'queued_spin_lock': include/linux/compiler.h:117:18: error: variable '______f' has initializer but incomplete type static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ include/linux/compiler.h:117:18: error: unknown field 'func' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ include/linux/compiler.h:121:13: warning: excess elements in struct initializer .func = __func__, \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ include/linux/compiler.h:121:13: note: (near initialization for '______f') .func = __func__, \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ include/linux/compiler.h:117:18: error: unknown field 'file' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ >> include/asm-generic/qspinlock.h:101:21: warning: excess elements in struct initializer if (likely(val == 0)) ^ include/asm-generic/qspinlock.h:101:21: note: (near initialization for '______f') include/linux/compiler.h:117:18: error: unknown field 'line' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ >> include/asm-generic/qspinlock.h:101:21: warning: excess elements in struct initializer if (likely(val == 0)) ^ include/asm-generic/qspinlock.h:101:21: note: (near initialization for '______f') include/linux/compiler.h:120:5: error: storage size of '______f' isn't known ______f = { \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ include/linux/compiler.h:120:5: warning: unused variable '______f' [-Wunused-variable] ______f = { \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qspinlock.h:101:6: note: in expansion of macro 'likely' if (likely(val == 0)) ^ include/asm-generic/qrwlock.h: In function 'queued_read_trylock': include/linux/compiler.h:117:18: error: variable '______f' has initializer but incomplete type static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ include/linux/compiler.h:117:18: error: unknown field 'func' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ include/linux/compiler.h:121:13: warning: excess elements in struct initializer .func = __func__, \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ include/linux/compiler.h:121:13: note: (near initialization for '______f') .func = __func__, \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ include/linux/compiler.h:117:18: error: unknown field 'file' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ >> include/asm-generic/qrwlock.h:83:32: warning: excess elements in struct initializer if (likely(!(cnts & _QW_WMASK))) { ^ include/asm-generic/qrwlock.h:83:32: note: (near initialization for '______f') include/linux/compiler.h:117:18: error: unknown field 'line' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ >> include/asm-generic/qrwlock.h:83:32: warning: excess elements in struct initializer if (likely(!(cnts & _QW_WMASK))) { ^ include/asm-generic/qrwlock.h:83:32: note: (near initialization for '______f') include/linux/compiler.h:120:5: error: storage size of '______f' isn't known ______f = { \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ include/linux/compiler.h:120:5: warning: unused variable '______f' [-Wunused-variable] ______f = { \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:83:6: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) { ^ include/linux/compiler.h:117:18: error: variable '______f' has initializer but incomplete type static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/linux/compiler.h:117:18: error: unknown field 'func' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/linux/compiler.h:121:13: warning: excess elements in struct initializer .func = __func__, \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/linux/compiler.h:121:13: note: (near initialization for '______f') .func = __func__, \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/linux/compiler.h:117:18: error: unknown field 'file' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/asm-generic/qrwlock.h:85:33: warning: excess elements in struct initializer if (likely(!(cnts & _QW_WMASK))) ^ include/asm-generic/qrwlock.h:85:33: note: (near initialization for '______f') include/linux/compiler.h:117:18: error: unknown field 'line' specified in initializer static struct ftrace_branch_data \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/asm-generic/qrwlock.h:85:33: warning: excess elements in struct initializer if (likely(!(cnts & _QW_WMASK))) ^ include/asm-generic/qrwlock.h:85:33: note: (near initialization for '______f') include/linux/compiler.h:120:5: error: storage size of '______f' isn't known ______f = { \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) ^ include/linux/compiler.h:120:5: warning: unused variable '______f' [-Wunused-variable] ______f = { \ ^ include/linux/compiler.h:136:56: note: in expansion of macro '__branch_check__' # define likely(x) (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1)) ^ include/asm-generic/qrwlock.h:85:7: note: in expansion of macro 'likely' if (likely(!(cnts & _QW_WMASK))) .. vim +212 drivers/ssb/main.c 3ba6018a Michael Buesch 2009-11-23 196 * 3ba6018a Michael Buesch 2009-11-23 197 * After freezing no device driver will be handling a device 3ba6018a Michael Buesch 2009-11-23 198 * on this bus anymore. ssb_devices_thaw() must be called after 3ba6018a Michael Buesch 2009-11-23 199 * a successful freeze to reactivate the devices. 3ba6018a Michael Buesch 2009-11-23 200 * 3ba6018a Michael Buesch 2009-11-23 201 * @bus: The bus. 3ba6018a Michael Buesch 2009-11-23 202 * @ctx: Context structure. Pass this to ssb_devices_thaw(). 3ba6018a Michael Buesch 2009-11-23 203 */ 3ba6018a Michael Buesch 2009-11-23 204 int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx) 61e115a5 Michael Buesch 2007-09-18 205 { 3ba6018a Michael Buesch 2009-11-23 206 struct ssb_device *sdev; 3ba6018a Michael Buesch 2009-11-23 207 struct ssb_driver *sdrv; 3ba6018a Michael Buesch 2009-11-23 208 unsigned int i; 3ba6018a Michael Buesch 2009-11-23 209 3ba6018a Michael Buesch 2009-11-23 210 memset(ctx, 0, sizeof(*ctx)); 3ba6018a Michael Buesch 2009-11-23 211 ctx->bus = bus; 3ba6018a Michael Buesch 2009-11-23 @212 SSB_WARN_ON(bus->nr_devices > ARRAY_SIZE(ctx->device_frozen)); 61e115a5 Michael Buesch 2007-09-18 213 61e115a5 Michael Buesch 2007-09-18 214 for (i = 0; i < bus->nr_devices; i++) { 3ba6018a Michael Buesch 2009-11-23 215 sdev = ssb_device_get(&bus->devices[i]); 3ba6018a Michael Buesch 2009-11-23 216 3ba6018a Michael Buesch 2009-11-23 217 if (!sdev->dev || !sdev->dev->driver || 3ba6018a Michael Buesch 2009-11-23 218 !device_is_registered(sdev->dev)) { 3ba6018a Michael Buesch 2009-11-23 219 ssb_device_put(sdev); 61e115a5 Michael Buesch 2007-09-18 220 continue; :::::: The code at line 212 was first introduced by commit :::::: 3ba6018aa314559c5867138a8173b068268a70db ssb: Fix SPROM writing :::::: TO: Michael Buesch <mb@xxxxxxxxx> :::::: CC: John W. Linville <linville@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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