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authorLee Gibson <leegib@gmail.com>2021-03-19 08:58:36 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-20 13:40:15 +0100
commit105949497a559adfd36d3e583eda3b2cd8bbd6d1 (patch)
tree93cacf9b50d6cc8ed02a44861268467868e77c71 /drivers/staging/rtl8712
parent62a19328c4b5753ed087672c1415828748a59d97 (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>
Diffstat (limited to 'drivers/staging/rtl8712')
-rw-r--r--drivers/staging/rtl8712/rtl871x_mlme.c3
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);