[RFC 3/6] cfg80211: protect against NULL dereference [SQUASH]
From: Johannes Berg <johannes@sipsolutions.net>
Date: 2018-08-28 16:11:13
Subsystem:
802.11 (including cfg80211/nl80211), the rest · Maintainers:
Johannes Berg, Linus Torvalds
From: Sara Sharon <redacted> Signed-off-by: Sara Sharon <redacted> Signed-off-by: Johannes Berg <redacted> --- net/wireless/scan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 75e1fc79a890..c08b39a622b7 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c@@ -1643,7 +1643,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy, res = cfg80211_inform_single_bss_frame_data(wiphy, data, mgmt, len, NULL, gfp); - if (!cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen)) + if (!res || !cfg80211_find_ie(WLAN_EID_MULTIPLE_BSSID, ie, ielen)) return res; /* process each non-transmitting bss */
--
2.14.4