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FROMGIT: scsi: ufs: Simplify ufshcd_set_dev_pwr_mode()

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Simplify the code for incrementing the SCSI device reference count in
ufshcd_set_dev_pwr_mode(). This commit removes one scsi_device_put() call
that happens from atomic context.

Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Avri Altman <avri.altman@wdc.com>
Change-Id: I3cc9bfa289530ef8e3c39e67cc2a8bf6b913cb2f
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221015002418.30955-7-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
(cherry picked from commit 6d1aa3b058 git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next)
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
Bart Van Assche
2022-10-14 17:24:16 -07:00
committed by Treehugger Robot
parent a065fa8bfe
commit 32b7f5cde9
1 changed files with 2 additions and 7 deletions
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9
drivers/ufs/core/ufshcd.c
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@@ -8818,15 +8818,10 @@ static int ufshcd_set_dev_pwr_mode(struct ufs_hba *hba,
spin_lock_irqsave(hba->host->host_lock, flags);
sdp = hba->ufs_device_wlun;
if (sdp) {
if (sdp && scsi_device_online(sdp))
ret = scsi_device_get(sdp);
if (!ret && !scsi_device_online(sdp)) {
ret = -ENODEV;
scsi_device_put(sdp);
}
} else {
else
ret = -ENODEV;
}
spin_unlock_irqrestore(hba->host->host_lock, flags);
if (ret)