2008-04-23 09:52:07

by Adrian Bunk

[permalink] [raw]
Subject: [2.6 patch] net/mac80211/rx.c: fix off-by-one

This patch fixes an off-by-one in net/mac80211/rx.c introduced by
commit 8318d78a44d49ac1edf2bdec7299de3617c4232e
(cfg80211 API for channels/bitrates, mac80211 and driver conversion)
and spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <[email protected]>

---
--- linux-2.6/net/mac80211/rx.c.old 2008-04-22 02:23:40.000000000 +0300
+++ linux-2.6/net/mac80211/rx.c 2008-04-22 02:24:23.000000000 +0300
@@ -2168,11 +2168,11 @@ void __ieee80211_rx(struct ieee80211_hw
u32 pkt_load;
struct ieee80211_rate *rate = NULL;
struct ieee80211_supported_band *sband;

if (status->band < 0 ||
- status->band > IEEE80211_NUM_BANDS) {
+ status->band >= IEEE80211_NUM_BANDS) {
WARN_ON(1);
return;
}

sband = local->hw.wiphy->bands[status->band];