summaryrefslogtreecommitdiff
path: root/drivers/scsi/ufs
diff options
context:
space:
mode:
authorBart Van Assche <bvanassche@acm.org>2021-12-03 15:19:46 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2021-12-06 22:30:34 -0500
commit1fbaa02dfd05229312404aaef8bc9317b4ff8750 (patch)
tree0f448b02bcfda1c55c4402a2df02c2b50fe3ec94 /drivers/scsi/ufs
parent6f8dafdee6ae836763e753a9df288d10b35e9679 (diff)
scsi: ufs: Improve SCSI abort handling further
Release resources when aborting a command. Make sure that aborted commands are completed once by clearing the corresponding tag bit from hba->outstanding_reqs. This patch is an improved version of commit 3ff1f6b6ba6f ("scsi: ufs: core: Improve SCSI abort handling"). Link: https://lore.kernel.org/r/20211203231950.193369-14-bvanassche@acm.org Fixes: 7a3e97b0dc4b ("[SCSI] ufshcd: UFS Host controller driver") Tested-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs')
-rw-r--r--drivers/scsi/ufs/ufshcd.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 5a641610dd74..06954a6e9d5d 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6984,6 +6984,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
struct ufshcd_lrb *lrbp = &hba->lrb[tag];
unsigned long flags;
int err = FAILED;
+ bool outstanding;
u32 reg;
WARN_ONCE(tag < 0, "Invalid tag %d\n", tag);
@@ -7061,6 +7062,17 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
goto release;
}
+ /*
+ * Clear the corresponding bit from outstanding_reqs since the command
+ * has been aborted successfully.
+ */
+ spin_lock_irqsave(&hba->outstanding_lock, flags);
+ outstanding = __test_and_clear_bit(tag, &hba->outstanding_reqs);
+ spin_unlock_irqrestore(&hba->outstanding_lock, flags);
+
+ if (outstanding)
+ ufshcd_release_scsi_cmd(hba, lrbp);
+
err = SUCCESS;
release: