drivers/scsi/mpi3mr/mpi3mr_app.c:3277:8-16: WARNING: please use sysfs_emit or sysfs_emit_at

drivers/scsi/mpi3mr/mpi3mr_app.c:3277:8-16: WARNING: please use sysfs_emit or sysfs_emit_at

[kernel test robot]

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Ranjan Kumar <ranjan.kumar@broadcom.com>
CC: "Martin K. Petersen" <martin.petersen@oracle.com>
CC: Salomon Dushimirimana <salomondush@google.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   af5e34a41cd607c00ef752e00331736570992354
commit: ec54b348f274fdd2bd32bbe74de6d62ae1a10a18 scsi: mpi3mr: Record and report controller firmware faults
date:   6 months ago
:::::: branch date: 4 hours ago
:::::: commit date: 6 months ago
config: powerpc64-randconfig-r064-20260716 (https://download.01.org/0day-ci/archive/20260718/202607180403.VsiBIgm9-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project b3e6e6dabdc02153552a64fc74ff5c7532447eed)

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: ec54b348f274 ("scsi: mpi3mr: Record and report controller firmware faults")
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202607180403.VsiBIgm9-lkp@intel.com/

cocci warnings: (new ones prefixed by >>)
>> drivers/scsi/mpi3mr/mpi3mr_app.c:3277:8-16: WARNING: please use sysfs_emit or sysfs_emit_at

vim +3277 drivers/scsi/mpi3mr/mpi3mr_app.c

986d6bad2103fb Sumit Saxena 2022-04-29  3257  
ec54b348f274fd Ranjan Kumar 2026-01-16  3258  /**
ec54b348f274fd Ranjan Kumar 2026-01-16  3259   * fwfault_count_show() - SysFS callback to show firmware fault count
ec54b348f274fd Ranjan Kumar 2026-01-16  3260   * @dev: class device
ec54b348f274fd Ranjan Kumar 2026-01-16  3261   * @attr: Device attribute
ec54b348f274fd Ranjan Kumar 2026-01-16  3262   * @buf: Buffer to copy data into
ec54b348f274fd Ranjan Kumar 2026-01-16  3263   *
ec54b348f274fd Ranjan Kumar 2026-01-16  3264   * Displays the total number of firmware faults detected by the driver
ec54b348f274fd Ranjan Kumar 2026-01-16  3265   * since the controller was initialized.
ec54b348f274fd Ranjan Kumar 2026-01-16  3266   *
ec54b348f274fd Ranjan Kumar 2026-01-16  3267   * Return: Number of bytes written to @buf
ec54b348f274fd Ranjan Kumar 2026-01-16  3268   */
ec54b348f274fd Ranjan Kumar 2026-01-16  3269  
ec54b348f274fd Ranjan Kumar 2026-01-16  3270  static ssize_t
ec54b348f274fd Ranjan Kumar 2026-01-16  3271  fwfault_count_show(struct device *dev, struct device_attribute *attr,
ec54b348f274fd Ranjan Kumar 2026-01-16  3272  	char *buf)
ec54b348f274fd Ranjan Kumar 2026-01-16  3273  {
ec54b348f274fd Ranjan Kumar 2026-01-16  3274  	struct Scsi_Host *shost = class_to_shost(dev);
ec54b348f274fd Ranjan Kumar 2026-01-16  3275  	struct mpi3mr_ioc *mrioc = shost_priv(shost);
ec54b348f274fd Ranjan Kumar 2026-01-16  3276  
ec54b348f274fd Ranjan Kumar 2026-01-16 @3277  	return snprintf(buf, PAGE_SIZE, "%llu\n", mrioc->fwfault_counter);
ec54b348f274fd Ranjan Kumar 2026-01-16  3278  }
ec54b348f274fd Ranjan Kumar 2026-01-16  3279  static DEVICE_ATTR_RO(fwfault_count);
ec54b348f274fd Ranjan Kumar 2026-01-16  3280  

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