On Mon, Sep 17 2018 at 12:16pm -0400, kbuild test robot <lkp@xxxxxxxxx> wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next > head: 9c01fc7e4f3b269a5550014c16ba2fa15b90fc45 > commit: 560e9814d061de1dce3328630846025d653dea7d [2/3] dm mpath: fix attached_handler_name leak and dangling hw_handler_name pointer > config: x86_64-randconfig-x019-201837 (attached as .config) > compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 > reproduce: > git checkout 560e9814d061de1dce3328630846025d653dea7d > # save the attached .config to linux build tree > make ARCH=x86_64 > > All error/warnings (new ones prefixed by >>): > > drivers/md/dm-mpath.c: In function 'setup_scsi_dh': > >> drivers/md/dm-mpath.c:821:37: error: passing argument 1 of 'strcmp' from incompatible pointer type [-Werror=incompatible-pointer-types] > if (m->hw_handler_name && strcmp(attached_handler_name, m->hw_handler_name)) { > ^~~~~~~~~~~~~~~~~~~~~ > In file included from include/linux/bitmap.h:9:0, > from include/linux/cpumask.h:12, > from arch/x86/include/asm/cpumask.h:5, > from arch/x86/include/asm/msr.h:11, > from arch/x86/include/asm/processor.h:21, > from arch/x86/include/asm/cpufeature.h:5, > from arch/x86/include/asm/thread_info.h:53, > from include/linux/thread_info.h:38, > from arch/x86/include/asm/preempt.h:7, > from include/linux/preempt.h:81, > from include/linux/spinlock.h:51, > from include/linux/wait.h:9, > from include/linux/wait_bit.h:8, > from include/linux/fs.h:6, > from include/linux/highmem.h:5, > from include/linux/bio.h:21, > from include/linux/device-mapper.h:11, > from drivers/md/dm-mpath.c:8: > include/linux/string.h:44:12: note: expected 'const char *' but argument is of type 'char **' > extern int strcmp(const char *,const char *); > ^~~~~~ > drivers/md/dm-mpath.c: In function 'parse_path': > >> drivers/md/dm-mpath.c:891:24: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] > attached_handler_name = scsi_dh_attached_handler_name(q, GFP_KERNEL); > ^ > cc1: some warnings being treated as errors > > vim +/strcmp +821 drivers/md/dm-mpath.c Fixed, sorry for the noise. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
