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scsi: ufs: Release clock if DMA map fails

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In queuecommand path, if DMA map fails, it bails out with clock held.  In
this case, release the clock to keep its usage paired.

[mkp: applied by hand]

Link: https://lore.kernel.org/r/0101016ed3d66395-1b7e7fce-b74d-42ca-a88a-4db78b795d3b-000000@us-west-2.amazonses.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Can Guo 2019-12-05 02:14:33 +00:00 committed by Martin K. Petersen
parent a3a7639172
commit 17c7d35f14
1 changed files with 1 additions and 0 deletions
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1
drivers/scsi/ufs/ufshcd.c
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@ -2450,6 +2450,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
err = ufshcd_map_sg(hba, lrbp);
if (err) {
lrbp->cmd = NULL;
ufshcd_release(hba);
goto out;
}
/* Make sure descriptors are ready before ringing the doorbell */