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| author | Bart Van Assche <bvanassche@acm.org> | 2022-10-31 15:47:28 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-11-08 03:34:39 +0000 |
| commit | 2e79cf37b15b1936f8630d9c5805d2c76bde213b (patch) | |
| tree | 8336eb2b5dda744b1800de0aafa5dbdda78e5b93 /drivers/scsi | |
| parent | 2e5a6c3baccd31476ed00c3fbc413b48ddd87993 (diff) | |
| download | linux-2e79cf37b15b1936f8630d9c5805d2c76bde213b.tar.bz2 | |
scsi: bfa: Rework bfad_reset_sdev_bflags()
Since commit f93ed747e2c7 ("scsi: core: Release SCSI devices
synchronously") it is no longer allowed to call scsi_device_put() from
atomic context.
Rework bfad_reset_sdev_bflags() such that scsi_device_put() is no longer
called. This fixes the following smatch warning:
drivers/scsi/bfa/bfad_bsg.c:2551 bfad_iocmd_lunmask_reset_lunscan_mode() warn: sleeping in atomic context
bfad_iocmd_lunmask() <- disables preempt
-> bfad_iocmd_lunmask_reset_lunscan_mode()
-> scsi_device_put()
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221031224728.2607760-5-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/bfa/bfad_bsg.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 73754032e25c..79d4f7ee5bcb 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -2553,18 +2553,20 @@ static void bfad_reset_sdev_bflags(struct bfad_im_port_s *im_port, const u32 scan_flags = BLIST_NOREPORTLUN | BLIST_SPARSELUN; struct bfad_itnim_s *itnim; struct scsi_device *sdev; + unsigned long flags; + spin_lock_irqsave(im_port->shost->host_lock, flags); list_for_each_entry(itnim, &im_port->itnim_mapped_list, list_entry) { - sdev = scsi_device_lookup(im_port->shost, itnim->channel, - itnim->scsi_tgt_id, 0); + sdev = __scsi_device_lookup(im_port->shost, itnim->channel, + itnim->scsi_tgt_id, 0); if (sdev) { if (lunmask_cfg == BFA_TRUE) sdev->sdev_bflags |= scan_flags; else sdev->sdev_bflags &= ~scan_flags; - scsi_device_put(sdev); } } + spin_unlock_irqrestore(im_port->shost->host_lock, flags); } /* Function to reset the LUN SCAN mode */ |