Messages in this thread | | | Date | Thu, 28 Oct 2021 12:59:56 +0800 | From | kernel test robot <> | Subject | [sudeep-holla:ffa_notifications_proto 16/16] drivers/firmware/arm_ffa/test_driver_ffa.c:21:13: warning: redefinition of typedef 'ffa_partition_id_t' is a C11 feature |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git ffa_notifications_proto head: 3a36983861ad7edf937683026889cde233317ff8 commit: 3a36983861ad7edf937683026889cde233317ff8 [16/16] test_ffa_driver: Add Test Driver config: arm64-randconfig-r005-20211027 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72) 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 # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/commit/?id=3a36983861ad7edf937683026889cde233317ff8 git remote add sudeep-holla https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git git fetch --no-tags sudeep-holla ffa_notifications_proto git checkout 3a36983861ad7edf937683026889cde233317ff8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/firmware/arm_ffa/test_driver_ffa.c:21:13: warning: redefinition of typedef 'ffa_partition_id_t' is a C11 feature [-Wtypedef-redefinition] typedef u16 ffa_partition_id_t; ^ include/linux/arm_ffa.h:37:13: note: previous definition is here typedef u16 ffa_partition_id_t; ^ >> drivers/firmware/arm_ffa/test_driver_ffa.c:336:10: warning: variable 'notification_id' is uninitialized when used here [-Wuninitialized] notification_id, rc); ^~~~~~~~~~~~~~~ include/linux/printk.h:489:33: note: expanded from macro 'pr_err' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/printk.h:446:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/printk.h:418:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ^~~~~~~~~~~ drivers/firmware/arm_ffa/test_driver_ffa.c:318:25: note: initialize the variable 'notification_id' to silence this warning int rc, notification_id; ^ = 0 drivers/firmware/arm_ffa/test_driver_ffa.c:379:10: warning: variable 'notification_id' is uninitialized when used here [-Wuninitialized] notification_id, rc); ^~~~~~~~~~~~~~~ include/linux/printk.h:489:33: note: expanded from macro 'pr_err' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/printk.h:446:60: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^~~~~~~~~~~ include/linux/printk.h:418:19: note: expanded from macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ^~~~~~~~~~~ drivers/firmware/arm_ffa/test_driver_ffa.c:354:25: note: initialize the variable 'notification_id' to silence this warning int rc, notification_id; ^ = 0 3 warnings generated.
vim +/ffa_partition_id_t +21 drivers/firmware/arm_ffa/test_driver_ffa.c
20 > 21 typedef u16 ffa_partition_id_t; 22
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