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| author | Kangjie Lu <kjlu@umn.edu> | 2019-03-14 09:30:59 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-04 10:20:20 +0300 |
| commit | 4135e588274e7b8ddeea95683f9d70f19d019f2e (patch) | |
| tree | 0321ac6a6cabfded55f7fc773634a7bff0c1af3d | |
| parent | a2b302e4f2fb40bdcda3c7c70dae9a27974dbd49 (diff) | |
| download | linux-4135e588274e7b8ddeea95683f9d70f19d019f2e.tar.xz | |
scsi: qla4xxx: fix a potential NULL pointer dereference
[ Upstream commit fba1bdd2a9a93f3e2181ec1936a3c2f6b37e7ed6 ]
In case iscsi_lookup_endpoint fails, the fix returns -EINVAL to avoid NULL
pointer dereference.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_os.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 575445c761b4..5dd3e4e01b10 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3204,6 +3204,8 @@ 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; |