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From: Dan Carpenter <dan.carpenter@linaro.org>
To: oe-kbuild@lists.linux.dev, Md Sadre Alam <quic_mdalam@quicinc.com>
Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev,
	Linux Memory Management List <linux-mm@kvack.org>,
	Miquel Raynal <miquel.raynal@bootlin.com>,
	Sricharan Ramabadhran <quic_srichara@quicinc.com>
Subject: [linux-next:master 1937/6910] drivers/mtd/nand/raw/qcom_nandc.c:2941 qcom_op_cmd_mapping() error: uninitialized symbol 'ret'.
Date: Thu, 3 Aug 2023 15:20:56 +0300	[thread overview]
Message-ID: <7ad1160b-5f8c-47af-a1c5-51b34f656fab@kadam.mountain> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   fb4327106e5250ee360d0d8b056c1eef7eeb9a98
commit: 89550beb098e04b951df079483fb064eafc0e5fa [1937/6910] mtd: rawnand: qcom: Implement exec_op()
config: riscv-randconfig-m031-20230730 (https://download.01.org/0day-ci/archive/20230803/202308032022.SnXkKyFs-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230803/202308032022.SnXkKyFs-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>
| Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
| Closes: https://lore.kernel.org/r/202308032022.SnXkKyFs-lkp@intel.com/

New smatch warnings:
drivers/mtd/nand/raw/qcom_nandc.c:2941 qcom_op_cmd_mapping() error: uninitialized symbol 'ret'.
drivers/mtd/nand/raw/qcom_nandc.c:3369 qcom_check_op() warn: was && intended here instead of ||?

Old smatch warnings:
drivers/mtd/nand/raw/qcom_nandc.c:3076 qcom_read_status_exec() warn: inconsistent indenting

vim +/ret +2941 drivers/mtd/nand/raw/qcom_nandc.c

89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2909  static int qcom_op_cmd_mapping(struct qcom_nand_controller *nandc, u8 cmd,
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2910  			       struct qcom_op *q_op)
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2911  {
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2912  	int ret;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2913  
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2914  	switch (cmd) {
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2915  	case NAND_CMD_RESET:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2916  		ret = OP_RESET_DEVICE;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2917  		break;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2918  	case NAND_CMD_READID:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2919  		ret = OP_FETCH_ID;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2920  		break;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2921  	case NAND_CMD_PARAM:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2922  		if (nandc->props->qpic_v2)
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2923  			ret = OP_PAGE_READ_ONFI_READ;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2924  		else
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2925  			ret = OP_PAGE_READ;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2926  		break;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2927  	case NAND_CMD_ERASE1:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2928  	case NAND_CMD_ERASE2:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2929  		ret = OP_BLOCK_ERASE;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2930  		break;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2931  	case NAND_CMD_STATUS:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2932  		ret = OP_CHECK_STATUS;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2933  		break;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2934  	case NAND_CMD_PAGEPROG:
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2935  		ret = OP_PROGRAM_PAGE;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2936  		q_op->flag = OP_PROGRAM_PAGE;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2937  		nandc->exec_opwrite = true;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2938  		break;

No default case.  I'm more concerned about the && vs || warning, but
the zero day bot doesn't include that code into the email.

89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2939  	}
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2940  
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10 @2941  	return ret;
89550beb098e04 drivers/mtd/nand/raw/qcom_nandc.c Md Sadre Alam 2023-07-10  2942  }

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



             reply	other threads:[~2023-08-03 12:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-03 12:20 Dan Carpenter [this message]
2023-08-04 16:45 ` Miquel Raynal
2023-08-04 16:52   ` Dan Carpenter
2023-08-04 17:07     ` Miquel Raynal
2023-08-05  6:55       ` Manivannan Sadhasivam
2023-08-06  7:58         ` Sricharan Ramabadhran
2023-08-07 18:54           ` Sricharan Ramabadhran
2023-08-07 19:14             ` Miquel Raynal
2023-08-08  5:16               ` Sricharan Ramabadhran
2023-08-18 13:33                 ` Miquel Raynal
2023-08-18 13:51                   ` Sricharan Ramabadhran
2023-08-18 14:03                     ` Miquel Raynal
2023-08-18 14:17                       ` Sricharan Ramabadhran
2023-08-18 15:24                         ` Sricharan Ramabadhran

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