From: Dinh Nguyen <dinguyen@kernel.org>
To: johannes@sipsolutions.net
Cc: dinguyen@kernel.org, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] wifi: cfg80211: fix a possible memory leak
Date: Tue, 1 Nov 2022 15:19:31 -0500 [thread overview]
Message-ID: <20221101201931.119136-1-dinguyen@kernel.org> (raw)
Klockworks reported a possible memory leak when
cfg80211_inform_single_bss_data() return on an error and ies is left
allocated.
Fixes: 0e227084aee3 ("cfg80211: clarify BSS probe response vs. beacon data")
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
---
net/wireless/scan.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 806a5f1330ff..3c81dc17e079 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2015,8 +2015,10 @@ cfg80211_inform_single_bss_data(struct wiphy *wiphy,
signal_valid = data->chan == channel;
res = cfg80211_bss_update(wiphy_to_rdev(wiphy), &tmp, signal_valid, ts);
- if (!res)
+ if (!res) {
+ kfree(ies);
return NULL;
+ }
if (channel->band == NL80211_BAND_60GHZ) {
bss_type = res->pub.capability & WLAN_CAPABILITY_DMG_TYPE_MASK;
--
2.25.1
next reply other threads:[~2022-11-01 20:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-01 20:19 Dinh Nguyen [this message]
2022-12-01 14:21 ` Johannes Berg
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