From: kernel test robot <lkp@intel.com>
To: Linu Cherian <lcherian@marvell.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Anil Kumar Reddy <areddy3@marvell.com>,
Tanmay Jagdale <tanmay@marvell.com>
Subject: drivers/hwtracing/coresight/coresight-tmc-core.c:403:5-8: Unneeded variable: "ret". Return "0" on line 416
Date: Tue, 11 Nov 2025 05:46:44 +0800 [thread overview]
Message-ID: <202511110556.RDLHL0DU-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4ea7c1717f3f2344f7a1cdab4f5875cfa89c87a9
commit: d58a70bdab575264fe75e4826464aaef0dd096b4 coresight: tmc: Add support for reading crash data
date: 9 months ago
config: arm64-randconfig-r052-20251110 (https://download.01.org/0day-ci/archive/20251111/202511110556.RDLHL0DU-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 0d786b9a207aa0e6d88dde7fd9ffe0b364db69a4)
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/202511110556.RDLHL0DU-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> drivers/hwtracing/coresight/coresight-tmc-core.c:403:5-8: Unneeded variable: "ret". Return "0" on line 416
vim +403 drivers/hwtracing/coresight/coresight-tmc-core.c
400
401 static int tmc_crashdata_release(struct inode *inode, struct file *file)
402 {
> 403 int ret = 0;
404 unsigned long flags;
405 struct tmc_resrv_buf *rbuf;
406 struct tmc_drvdata *drvdata = container_of(file->private_data,
407 struct tmc_drvdata,
408 crashdev);
409
410 rbuf = &drvdata->resrv_buf;
411 spin_lock_irqsave(&drvdata->spinlock, flags);
412 rbuf->reading = false;
413 spin_unlock_irqrestore(&drvdata->spinlock, flags);
414
415 dev_dbg(&drvdata->csdev->dev, "%s: released\n", __func__);
> 416 return ret;
417 }
418
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-11-10 21:47 UTC|newest]
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