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FROMGIT: 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]

Bug: 143632303
(cherry picked from commit 4339bc814224e58be93c7e7b369dd457d440d5fe
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git 5.6/scsi-queue)
Change-Id: I57f12489405528d7766798ec6656e45d6413177d
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>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
This commit is contained in:
Can Guo
2019-12-05 02:14:33 +00:00
committed by Todd Kjos
parent d0bd662427
commit bdd2e03b63
1 changed files with 1 additions and 0 deletions
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1
drivers/scsi/ufs/ufshcd.c
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@@ -2503,6 +2503,7 @@ static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
err = ufshcd_map_sg(hba, lrbp);
if (err) {
ufshcd_release(hba);
lrbp->cmd = NULL;
clear_bit_unlock(tag, &hba->lrb_in_use);
goto out;