From: Arun Easi <aeasi@xxxxxxxxxxx>
RIP: 0010:kmem_cache_free+0xfa/0x1b0
Call Trace:
qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx]
scsi_queue_rq+0x5e2/0xa40
__blk_mq_try_issue_directly+0x128/0x1d0
blk_mq_request_issue_directly+0x4e/0xb0
Fix incorrect call to free srb in qla2xxx_mqueuecommand, as
srb is now allocated by upper layers. This fixes smatch warning of
srb unintended free.
Fixes: af2a0c51b120 ("scsi: qla2xxx: Fix SRB leak on switch command timeout")
Cc: stable@xxxxxxxxxxxxxxx # 5.5
Reported-by: Laurence Oberman <loberman@xxxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Arun Easi <aeasi@xxxxxxxxxxx>
Signed-off-by: Nilesh Javali <njavali@xxxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_os.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 6563d69706ba..6a57399b515f 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1013,8 +1013,6 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
"Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
- if (rval == QLA_INTERFACE_ERROR)
- goto qc24_free_sp_fail_command;
goto qc24_host_busy_free_sp;
}
@@ -1026,11 +1024,6 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
qc24_target_busy:
return SCSI_MLQUEUE_TARGET_BUSY;
-qc24_free_sp_fail_command:
- sp->free(sp);
- CMD_SP(cmd) = NULL;
- qla2xxx_rel_qpair_sp(sp->qpair, sp);
-
qc24_fail_command:
cmd->scsi_done(cmd);
--
2.19.0.rc0
