From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 24 Jan 2013 06:40:00 +0000 (+0300)
Subject: cfg80211: off by one in ieee80211_bss()
X-Git-Tag: v3.8-rc7~2^2~21^2^2~5^2
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c49dc9008b1c641a86837297df7c90cef070571b;p=karo-tx-linux.git

cfg80211: off by one in ieee80211_bss()

We do a:

	sprintf(buf, " Last beacon: %ums ago",
		elapsed_jiffies_msecs(bss->ts));

elapsed_jiffies_msecs() can return a 10 digit number so "buf" needs to
be 31 characters long.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 01592d7d4789..45f1618c8e23 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1358,7 +1358,7 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info,
 						  &iwe, IW_EV_UINT_LEN);
 	}
 
-	buf = kmalloc(30, GFP_ATOMIC);
+	buf = kmalloc(31, GFP_ATOMIC);
 	if (buf) {
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = IWEVCUSTOM;