tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_remove_return_value head: 5187c2360ee1d023078e4302dad32fda1e895772 commit: 72f2bf74b31aae983fb200aa7e84a05943bf27fc [2/8] debugfs: remove return value of debugfs_create_bool() config: x86_64-randconfig-c002-20210216 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=72f2bf74b31aae983fb200aa7e84a05943bf27fc git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git git fetch --no-tags driver-core debugfs_remove_return_value git checkout 72f2bf74b31aae983fb200aa7e84a05943bf27fc # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/net/wireless/broadcom/b43/debugfs.c: In function 'b43_add_dynamic_debug': >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:666:2: note: in expansion of macro 'add_dyn_dbg' 666 | add_dyn_dbg("debug_xmitpower", B43_DBG_XMITPOWER, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:667:2: note: in expansion of macro 'add_dyn_dbg' 667 | add_dyn_dbg("debug_dmaoverflow", B43_DBG_DMAOVERFLOW, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:668:2: note: in expansion of macro 'add_dyn_dbg' 668 | add_dyn_dbg("debug_dmaverbose", B43_DBG_DMAVERBOSE, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:669:2: note: in expansion of macro 'add_dyn_dbg' 669 | add_dyn_dbg("debug_pwork_fast", B43_DBG_PWORK_FAST, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:670:2: note: in expansion of macro 'add_dyn_dbg' 670 | add_dyn_dbg("debug_pwork_stop", B43_DBG_PWORK_STOP, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:671:2: note: in expansion of macro 'add_dyn_dbg' 671 | add_dyn_dbg("debug_lo", B43_DBG_LO, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:672:2: note: in expansion of macro 'add_dyn_dbg' 672 | add_dyn_dbg("debug_firmware", B43_DBG_FIRMWARE, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:673:2: note: in expansion of macro 'add_dyn_dbg' 673 | add_dyn_dbg("debug_keys", B43_DBG_KEYS, false); | ^~~~~~~~~~~ >> drivers/net/wireless/broadcom/b43/debugfs.c:661:28: error: void value not ignored as it ought to be 661 | e->dyn_debug_dentries[id] = \ | ^ drivers/net/wireless/broadcom/b43/debugfs.c:674:2: note: in expansion of macro 'add_dyn_dbg' 674 | add_dyn_dbg("debug_verbose_stats", B43_DBG_VERBOSESTATS, false); | ^~~~~~~~~~~ vim +661 drivers/net/wireless/broadcom/b43/debugfs.c e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 654 e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 655 static void b43_add_dynamic_debug(struct b43_wldev *dev) e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 656 { e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 657 struct b43_dfsentry *e = dev->dfsentry; e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 658 e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 659 #define add_dyn_dbg(name, id, initstate) do { \ e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 660 e->dyn_debug[id] = (initstate); \ e9bdcdc7cdf028 drivers/net/wireless/broadcom/b43/debugfs.c Greg Kroah-Hartman 2019-01-22 @661 e->dyn_debug_dentries[id] = \ e9bdcdc7cdf028 drivers/net/wireless/broadcom/b43/debugfs.c Greg Kroah-Hartman 2019-01-22 662 debugfs_create_bool(name, 0600, e->subdir, \ e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 663 &(e->dyn_debug[id])); \ e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 664 } while (0) e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 665 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 666 add_dyn_dbg("debug_xmitpower", B43_DBG_XMITPOWER, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 667 add_dyn_dbg("debug_dmaoverflow", B43_DBG_DMAOVERFLOW, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 668 add_dyn_dbg("debug_dmaverbose", B43_DBG_DMAVERBOSE, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 669 add_dyn_dbg("debug_pwork_fast", B43_DBG_PWORK_FAST, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 670 add_dyn_dbg("debug_pwork_stop", B43_DBG_PWORK_STOP, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 671 add_dyn_dbg("debug_lo", B43_DBG_LO, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 672 add_dyn_dbg("debug_firmware", B43_DBG_FIRMWARE, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 673 add_dyn_dbg("debug_keys", B43_DBG_KEYS, false); 621a5f7ad9cd1c drivers/net/wireless/b43/debugfs.c Viresh Kumar 2015-09-26 674 add_dyn_dbg("debug_verbose_stats", B43_DBG_VERBOSESTATS, false); e4d6b7951812d9 drivers/net/wireless/b43/debugfs.c Michael Buesch 2007-09-18 675 :::::: The code at line 661 was first introduced by commit :::::: e9bdcdc7cdf02819ea3f4205c7286ab97a9e1a1b b43: no need to check return value of debugfs_create functions :::::: TO: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> :::::: CC: Kalle Valo <kvalo@xxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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