From: kernel test robot <lkp@intel.com>
To: Swarna Prabhu <sw.prabhu6@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Damien Le Moal <dlemoal@kernel.org>,
Pankaj Raghav <p.raghav@samsung.com>
Subject: drivers/scsi/sd.c:4493:2-17: WARNING: NULL check before some freeing functions is not needed.
Date: Mon, 13 Jul 2026 10:01:08 +0800 [thread overview]
Message-ID: <202607130828.bp1CccX4-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 44696aa3a489d2baf58efa61b37833f100072bee
commit: 7179e626b76eb42f2529c6f6dd6ba88ea2445372 scsi: sd: Enable sector size > PAGE_SIZE in SCSI sd driver
date: 4 months ago
config: hexagon-randconfig-r051-20260709 (https://download.01.org/0day-ci/archive/20260713/202607130828.bp1CccX4-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c279890c85da307abe34f10333442bbf72a60644)
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
| Fixes: 7179e626b76e ("scsi: sd: Enable sector size > PAGE_SIZE in SCSI sd driver")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607130828.bp1CccX4-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> drivers/scsi/sd.c:4493:2-17: WARNING: NULL check before some freeing functions is not needed.
vim +4493 drivers/scsi/sd.c
4478
4479 /**
4480 * exit_sd - exit point for this driver (when it is a module).
4481 *
4482 * Note: this function unregisters this driver from the scsi mid-level.
4483 **/
4484 static void __exit exit_sd(void)
4485 {
4486 int i;
4487
4488 SCSI_LOG_HLQUEUE(3, printk("exit_sd: exiting sd driver\n"));
4489
4490 scsi_unregister_driver(&sd_template);
4491 mempool_destroy(sd_page_pool);
4492 if (sd_large_page_pool)
> 4493 mempool_destroy(sd_large_page_pool);
4494
4495 class_unregister(&sd_disk_class);
4496
4497 for (i = 0; i < SD_MAJORS; i++)
4498 unregister_blkdev(sd_major(i), "sd");
4499 }
4500
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-07-13 2:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-13 2:01 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-05-25 3:03 drivers/scsi/sd.c:4493:2-17: WARNING: NULL check before some freeing functions is not needed kernel test robot
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