From: kernel test robot <lkp@intel.com>
To: Marc Bonnici <marc.bonnici@arm.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>
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
Date: Thu, 28 Oct 2021 12:59:56 +0800 [thread overview]
Message-ID: <202110281248.ZOrBZbgY-lkp@intel.com> (raw)
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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
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2021-10-28 5:05 UTC|newest]
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