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authorKangjie Lu <[email protected]>2019-03-14 01:30:59 -0500
committerMartin K. Petersen <[email protected]>2019-03-25 22:24:30 -0400
commitfba1bdd2a9a93f3e2181ec1936a3c2f6b37e7ed6 (patch)
tree5f398a1ac62f492a70aa3a0cff75cfbc6ac591c1
parentb6554cfe09e1f610aed7d57164ab7760be57acd9 (diff)
scsi: qla4xxx: fix a potential NULL pointer dereference
In case iscsi_lookup_endpoint fails, the fix returns -EINVAL to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu <[email protected]> Acked-by: Manish Rangankar <[email protected]> Reviewed-by: Mukesh Ojha <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 16a18d5d856f..6e4f4931ae17 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -3203,6 +3203,8 @@ static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
return -EINVAL;
ep = iscsi_lookup_endpoint(transport_fd);
+ if (!ep)
+ return -EINVAL;
conn = cls_conn->dd_data;
qla_conn = conn->dd_data;
qla_conn->qla_ep = ep->dd_data;