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cfg80211: off by one in nl80211_trigger_scan()
author
Dan Carpenter
<error27@gmail.com>
Fri, 29 Jul 2011 08:52:18 +0000
(11:52 +0300)
committer
John W. Linville
<linville@tuxdriver.com>
Mon, 1 Aug 2011 17:46:46 +0000
(13:46 -0400)
The test is off by one so we'd read past the end of the
wiphy->bands[] array on the next line.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
net/wireless/nl80211.c
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diff --git
a/net/wireless/nl80211.c
b/net/wireless/nl80211.c
index 28d2aa109beecbaa8d5ef97890142a16e134cbad..e83e7fee3bc032def174d7741e6e419d693d2401 100644
(file)
--- a/
net/wireless/nl80211.c
+++ b/
net/wireless/nl80211.c
@@
-3464,7
+3464,7
@@
static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
tmp) {
enum ieee80211_band band = nla_type(attr);
- if (band < 0 || band > IEEE80211_NUM_BANDS) {
+ if (band < 0 || band >
=
IEEE80211_NUM_BANDS) {
err = -EINVAL;
goto out_free;
}