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lpfc: Fix failure to transmit ABTS on FC link

Message ID 20210528212240.11387-1-jsmart2021@gmail.com (mailing list archive)
State Accepted
Headers show
Series lpfc: Fix failure to transmit ABTS on FC link | expand

Commit Message

James Smart May 28, 2021, 9:22 p.m. UTC
The abort_cmd_ia flag in an abort wqe describes whether an ABTS basic
link service should be transmitted on the FC link or not.
Code added in lpfc_sli4_issue_abort_iotag() set the abort_cmd_ia flag
incorrectly, surpressing ABTS transmission.

A previous LPFC change to build an abort wqe inverted prior logic that
determined whether an ABTS was to be issued on the FC link.

Revert this logic to its proper state.

Fixes: db7531d2b377 ("scsi: lpfc: Convert abort handling to SLI-3 and SLI-4 handlers")
Cc: <stable@vger.kernel.org> # v5.11+
Signed-off-by: James Smart <jsmart2021@gmail.com>
---
 drivers/scsi/lpfc/lpfc_sli.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Martin K. Petersen June 2, 2021, 5:45 a.m. UTC | #1
On Fri, 28 May 2021 14:22:40 -0700, James Smart wrote:

> The abort_cmd_ia flag in an abort wqe describes whether an ABTS basic
> link service should be transmitted on the FC link or not.
> Code added in lpfc_sli4_issue_abort_iotag() set the abort_cmd_ia flag
> incorrectly, surpressing ABTS transmission.
> 
> A previous LPFC change to build an abort wqe inverted prior logic that
> determined whether an ABTS was to be issued on the FC link.
> 
> [...]

Applied to 5.13/scsi-fixes, thanks!

[1/1] lpfc: Fix failure to transmit ABTS on FC link
      https://git.kernel.org/mkp/scsi/c/696770e72f2b
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Patch

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 1ad1beb2a8a8..e2cfb86f7e61 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -20615,10 +20615,8 @@  lpfc_sli4_issue_abort_iotag(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	abtswqe = &abtsiocb->wqe;
 	memset(abtswqe, 0, sizeof(*abtswqe));
 
-	if (lpfc_is_link_up(phba))
+	if (!lpfc_is_link_up(phba))
 		bf_set(abort_cmd_ia, &abtswqe->abort_cmd, 1);
-	else
-		bf_set(abort_cmd_ia, &abtswqe->abort_cmd, 0);
 	bf_set(abort_cmd_criteria, &abtswqe->abort_cmd, T_XRI_TAG);
 	abtswqe->abort_cmd.rsrvd5 = 0;
 	abtswqe->abort_cmd.wqe_com.abort_tag = xritag;