* [ambarus:spi-nor/next 9/15] drivers/mtd/spi-nor/spansion.c:928:4: warning: variable 'priv' is uninitialized when used here
@ 2023-07-18 7:09 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-07-18 7:09 UTC (permalink / raw)
To: Takahiro Kuwano; +Cc: llvm, oe-kbuild-all, Tudor Ambarus
tree: https://github.com/ambarus/linux-0day spi-nor/next
head: 665be09f5a5735bb5dcb60043890682e20ac382f
commit: 8c49ad2ebb7ae23fef6859d3f326e82b8789fc09 [9/15] mtd: spi-nor: spansion: use CLPEF as an alternative to CLSR
config: i386-randconfig-i014-20230718 (https://download.01.org/0day-ci/archive/20230718/202307181511.GuBLaRAf-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230718/202307181511.GuBLaRAf-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307181511.GuBLaRAf-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/mtd/spi-nor/spansion.c:928:4: warning: variable 'priv' is uninitialized when used here [-Wuninitialized]
priv->clsr = SPINOR_OP_CLSR;
^~~~
drivers/mtd/spi-nor/spansion.c:911:34: note: initialize the variable 'priv' to silence this warning
struct spansion_nor_params *priv;
^
= NULL
1 warning generated.
vim +/priv +928 drivers/mtd/spi-nor/spansion.c
907
908 static int spansion_nor_late_init(struct spi_nor *nor)
909 {
910 struct spi_nor_flash_parameter *params = nor->params;
911 struct spansion_nor_params *priv;
912 u8 mfr_flags = nor->info->mfr_flags;
913
914 if (params->size > SZ_16M) {
915 nor->flags |= SNOR_F_4B_OPCODES;
916 /* No small sector erase for 4-byte command set */
917 nor->erase_opcode = SPINOR_OP_SE;
918 nor->mtd.erasesize = nor->info->sector_size;
919 }
920
921 if (mfr_flags & (USE_CLSR | USE_CLPEF)) {
922 params->priv = devm_kmalloc(nor->dev, sizeof(*priv),
923 GFP_KERNEL);
924 if (!params->priv)
925 return -ENOMEM;
926
927 if (mfr_flags & USE_CLSR)
> 928 priv->clsr = SPINOR_OP_CLSR;
929 else if (mfr_flags & USE_CLPEF)
930 priv->clsr = SPINOR_OP_CLPEF;
931
932 nor->params->ready = spansion_nor_sr_ready_and_clear;
933 }
934
935 return 0;
936 }
937
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-07-18 7:09 [ambarus:spi-nor/next 9/15] drivers/mtd/spi-nor/spansion.c:928:4: warning: variable 'priv' is uninitialized when used here kernel test robot
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