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[4.14,247/315] scsi: qedi: Fix null ref during abort handling

Message ID 20210719144951.540223937@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 19, 2021, 2:52 p.m. UTC 
From: Mike Christie <michael.christie@oracle.com>

[ Upstream commit 5777b7f0f03ce49372203b6521631f62f2810c8f ]

If qedi_process_cmd_cleanup_resp finds the cmd it frees the work and sets
list_tmf_work to NULL, so qedi_tmf_work should check if list_tmf_work is
non-NULL when it wants to force cleanup.

Link: https://lore.kernel.org/r/20210525181821.7617-20-michael.christie@oracle.com
Reviewed-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/scsi/qedi/qedi_fw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index e8f2c662471e..662444bb67f6 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -1474,7 +1474,7 @@  abort_ret:
 
 ldel_exit:
 	spin_lock_bh(&qedi_conn->tmf_work_lock);
-	if (!qedi_cmd->list_tmf_work) {
+	if (qedi_cmd->list_tmf_work) {
 		list_del_init(&list_work->list);
 		qedi_cmd->list_tmf_work = NULL;
 		kfree(list_work);