diff options
| author |   Lee Gibson <leegib@gmail.com> | 2021-03-19 08:58:36 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-20 13:40:15 +0100 |
| commit | 105949497a559adfd36d3e583eda3b2cd8bbd6d1 (patch) | |
| tree | 93cacf9b50d6cc8ed02a44861268467868e77c71 | |
| parent | staging: rtl8723bs: remove unnecessary logging in os_dep/wifi_regd.c (diff) | |
staging: rtl8712: Fix a possible NULL pointer dereference in function r8712_joinbss_event_callback
GCC 10 analyzer reports a warning: dereference of NULL
The function r8712_find_network can return NULL and is usually checked but
no check is present is this case.
Fix by adding the check.
Signed-off-by: Lee Gibson <leegib@gmail.com>
Link: https://lore.kernel.org/r/20210319085836.8259-1-leegib@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/rtl8712/rtl871x_mlme.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c index 6074383ec0b5..f5886b39b3b5 100644 --- a/drivers/staging/rtl8712/rtl871x_mlme.c +++ b/drivers/staging/rtl8712/rtl871x_mlme.c @@ -728,7 +728,8 @@ void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf) r8712_find_network(&pmlmepriv-> scanned_queue, cur_network->network.MacAddress); - pcur_wlan->fixed = false; + if (pcur_wlan) + pcur_wlan->fixed = false; pcur_sta = r8712_get_stainfo(pstapriv, cur_network->network.MacAddress); |