From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [frank-w-bpi-r2-4.14:5.13-rc 6/18] drivers/misc/mediatek/btif/common/plat_inc/plat_common.h:64:2: warning: function 'hal_log_print' might be a candidate for 'gnu_printf' format attribute
Date: Thu, 24 Jun 2021 23:00:26 +0800 [thread overview]
Message-ID: <202106242320.pBeEgpTM-lkp@intel.com> (raw)
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tree: https://github.com/frank-w/BPI-R2-4.14 5.13-rc
head: acf147972a65a0e50a52b63d878ed586649fad08
commit: 7a714edb2db6084dfa08ee66ee046d63ffc2b7ec [6/18] mt6625l: include wifi-code
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
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
# https://github.com/frank-w/BPI-R2-4.14/commit/7a714edb2db6084dfa08ee66ee046d63ffc2b7ec
git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14
git fetch --no-tags frank-w-bpi-r2-4.14 5.13-rc
git checkout 7a714edb2db6084dfa08ee66ee046d63ffc2b7ec
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
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 >>):
In file included from drivers/misc/mediatek/btif/common/plat_inc/btif_pub.h:17,
from drivers/misc/mediatek/btif/common/mtk_btif.c:37:
drivers/misc/mediatek/btif/common/plat_inc/plat_common.h: In function 'hal_log_print':
>> drivers/misc/mediatek/btif/common/plat_inc/plat_common.h:64:2: warning: function 'hal_log_print' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
64 | vsnprintf(temp_sring, DBG_LOG_STR_SIZE, str, args);
| ^~~~~~~~~
drivers/misc/mediatek/btif/common/mtk_btif.c: In function 'mtk_btif_restore_noirq':
>> drivers/misc/mediatek/btif/common/mtk_btif.c:379:6: warning: variable 'i_ret' set but not used [-Wunused-but-set-variable]
379 | int i_ret = 0;
| ^~~~~
drivers/misc/mediatek/btif/common/mtk_btif.c: In function 'flag_store':
>> drivers/misc/mediatek/btif/common/mtk_btif.c:773:6: warning: variable 'result' set but not used [-Wunused-but-set-variable]
773 | int result = 0;
| ^~~~~~
drivers/misc/mediatek/btif/common/mtk_btif.c: In function 'btif_log_buf_dmp_out':
>> drivers/misc/mediatek/btif/common/mtk_btif.c:3029:17: warning: variable 'p_buf' set but not used [-Wunused-but-set-variable]
3029 | unsigned char *p_buf = NULL;
| ^~~~~
--
In file included from drivers/misc/mediatek/btif/common/plat_inc/btif_pub.h:17,
from drivers/misc/mediatek/btif/common/inc/mtk_btif.h:37,
from drivers/misc/mediatek/btif/common/mtk_btif_exp.c:20:
drivers/misc/mediatek/btif/common/plat_inc/plat_common.h: In function 'hal_log_print':
>> drivers/misc/mediatek/btif/common/plat_inc/plat_common.h:64:2: warning: function 'hal_log_print' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
64 | vsnprintf(temp_sring, DBG_LOG_STR_SIZE, str, args);
| ^~~~~~~~~
--
In file included from drivers/misc/mediatek/btif/common/plat_inc/btif_dma_pub.h:19,
from drivers/misc/mediatek/btif/common/plat_inc/btif_dma_priv.h:18,
from drivers/misc/mediatek/btif/common/btif_dma_plat.c:22:
drivers/misc/mediatek/btif/common/plat_inc/plat_common.h: In function 'hal_log_print':
>> drivers/misc/mediatek/btif/common/plat_inc/plat_common.h:64:2: warning: function 'hal_log_print' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
64 | vsnprintf(temp_sring, DBG_LOG_STR_SIZE, str, args);
| ^~~~~~~~~
drivers/misc/mediatek/btif/common/btif_dma_plat.c: In function 'hal_dma_pm_ops':
>> drivers/misc/mediatek/btif/common/btif_dma_plat.c:1313:17: warning: variable 'flag' set but not used [-Wunused-but-set-variable]
1313 | unsigned int flag = 0;
| ^~~~
--
In file included from drivers/misc/mediatek/btif/common/plat_inc/btif_pub.h:17,
from drivers/misc/mediatek/btif/common/btif_plat.c:21:
drivers/misc/mediatek/btif/common/plat_inc/plat_common.h: In function 'hal_log_print':
>> drivers/misc/mediatek/btif/common/plat_inc/plat_common.h:64:2: warning: function 'hal_log_print' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
64 | vsnprintf(temp_sring, DBG_LOG_STR_SIZE, str, args);
| ^~~~~~~~~
drivers/misc/mediatek/btif/common/btif_plat.c: In function 'hal_btif_pm_ops':
>> drivers/misc/mediatek/btif/common/btif_plat.c:1343:17: warning: variable 'flag' set but not used [-Wunused-but-set-variable]
1343 | unsigned int flag = 0;
| ^~~~
vim +64 drivers/misc/mediatek/btif/common/plat_inc/plat_common.h
30ea711f24a8bf Frank Wunderlich 2021-05-10 56
30ea711f24a8bf Frank Wunderlich 2021-05-10 57 /*Log defination*/
30ea711f24a8bf Frank Wunderlich 2021-05-10 58 static int hal_log_print(const char *str, ...)
30ea711f24a8bf Frank Wunderlich 2021-05-10 59 {
30ea711f24a8bf Frank Wunderlich 2021-05-10 60 va_list args;
30ea711f24a8bf Frank Wunderlich 2021-05-10 61 char temp_sring[DBG_LOG_STR_SIZE];
30ea711f24a8bf Frank Wunderlich 2021-05-10 62
30ea711f24a8bf Frank Wunderlich 2021-05-10 63 va_start(args, str);
30ea711f24a8bf Frank Wunderlich 2021-05-10 @64 vsnprintf(temp_sring, DBG_LOG_STR_SIZE, str, args);
30ea711f24a8bf Frank Wunderlich 2021-05-10 65 va_end(args);
30ea711f24a8bf Frank Wunderlich 2021-05-10 66
30ea711f24a8bf Frank Wunderlich 2021-05-10 67 pr_err("%s", temp_sring);
30ea711f24a8bf Frank Wunderlich 2021-05-10 68
30ea711f24a8bf Frank Wunderlich 2021-05-10 69 return 0;
30ea711f24a8bf Frank Wunderlich 2021-05-10 70 }
30ea711f24a8bf Frank Wunderlich 2021-05-10 71
:::::: The code at line 64 was first introduced by commit
:::::: 30ea711f24a8bfd7c230e2db7d4aa23572592a15 mt6625l: add driver-code from 5.12
:::::: TO: Frank Wunderlich <frank-w@public-files.de>
:::::: CC: Frank Wunderlich <frank-w@public-files.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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