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scsi: qedi: Fix null ref during abort handling

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[ 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>
This commit is contained in:
Mike Christie 2021-05-25 13:18:12 -05:00 committed by Greg Kroah-Hartman
parent a686ea60c1
commit d05da38c41
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/qedi/qedi_fw.c
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@ -1451,7 +1451,7 @@ 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);