[Scst-svn] [master] qla2x00t-32gbit: Check valid rport returned by fc_bsg_to_rport()

[Gleb C. <lna...@ya...>]

Commit: a1edff6
GitHub URL: https://github.com/SCST-project/scst/commit/a1edff66778872c41289926c064566e55310dc61
Author: Gleb Chesnokov
Date: 2023-07-19T11:45:31+03:00
Log Message:
-----------
qla2x00t-32gbit: Check valid rport returned by fc_bsg_to_rport()

Klocwork reported warning of rport maybe NULL and will be dereferenced.
rport returned by call to fc_bsg_to_rport() could be NULL and dereferenced.

Check valid rport returned by fc_bsg_to_rport().

Cc: st...@vg...
Signed-off-by: Nilesh Javali <nj...@ma...>
Link: https://lore.kernel.org/r/202...@ma...
Reviewed-by: Himanshu Madhani <him...@or...>
Signed-off-by: Martin K. Petersen <mar...@or...>
[ commit af73f23a2720 upstream ]

Modified Paths:
--------------
 qla2x00t-32gbit/qla_bsg.c | 4 ++++
 1 file changed, 4 insertions(+)

===================================================================
diff --git a/qla2x00t-32gbit/qla_bsg.c b/qla2x00t-32gbit/qla_bsg.c
index 8e0f44c..25de9fb 100644
--- a/qla2x00t-32gbit/qla_bsg.c
+++ b/qla2x00t-32gbit/qla_bsg.c
@@ -286,6 +286,10 @@ qla2x00_process_els(BSG_JOB_TYPE *bsg_job)
 
 	if (bsg_request->msgcode == FC_BSG_RPT_ELS) {
 		rport = fc_bsg_to_rport(bsg_job);
+		if (!rport) {
+			rval = -ENOMEM;
+			goto done;
+		}
 		fcport = *(fc_port_t **) rport->dd_data;
 		host = rport_to_shost(rport);
 		vha = shost_priv(host);