linux-wireless.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] mt76: mt7915: fix an off-by-one bound check
@ 2021-07-14  7:56 Ryder Lee
  0 siblings, 0 replies; only message in thread
From: Ryder Lee @ 2021-07-14  7:56 UTC (permalink / raw)
  To: Felix Fietkau
  Cc: Lorenzo Bianconi, Shayne Chen, Evelyn Tsai, linux-wireless,
	linux-mediatek, Ryder Lee

The bounds check on datalen is off-by-one, so fix it.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 8d646aa3d084..81e4165905dc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -776,7 +776,7 @@ static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
 	rcu_read_lock();
 	elem = ieee80211_bss_get_elem(bss, WLAN_EID_EXT_CAPABILITY);
 
-	if (!elem || elem->datalen < 10 ||
+	if (!elem || elem->datalen <= 10 ||
 	    !(elem->data[10] &
 	      WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT))
 		data->tolerated = false;
-- 
2.29.2


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2021-07-14  7:56 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-14  7:56 [PATCH] mt76: mt7915: fix an off-by-one bound check Ryder Lee

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).