This should be CC'd to QLogic-Storage-Upstream@xxxxxxxxxx as well.
regards,
dan carpenter
On Sun, May 07, 2017 at 10:30:20PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> iscsi_lookup_endpoint can potentially return null and in 9 out of
> the 10 calls to this function a null return is checked, so I think
> it is pertinent to perform a null check here too and return -EINVAL
> as in the other null cases.
>
> Detected by CoverityScan, CID#147282 ("Dereference null return value")
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> drivers/scsi/qla4xxx/ql4_os.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
> index 64c6fa563fdb..803e342e1093 100644
> --- a/drivers/scsi/qla4xxx/ql4_os.c
> +++ b/drivers/scsi/qla4xxx/ql4_os.c
> @@ -3189,6 +3189,8 @@ 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;
> --
> 2.11.0
>
> --
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