From: Arnd Bergmann <arnd@arndb.de>
Date: Sun, 15 Aug 2010 16:32:42 +0000 (+0200)
Subject: mac80211: disallow seeks in minstrel debug code
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=a0572d93c13d28cc25b2c286ec9378eeb4ddd46c;p=linux-edison.git

mac80211: disallow seeks in minstrel debug code

No need for seek here, so let's just use nonseekable_open.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---

diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index 4a5a4b3e779..cefcb5d2dae 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -90,7 +90,7 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
 		MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
 	ms->len = p - ms->buf;
 
-	return 0;
+	return nonseekable_open(inode, file);
 }
 
 static const struct file_operations minstrel_ht_stat_fops = {
@@ -98,6 +98,7 @@ static const struct file_operations minstrel_ht_stat_fops = {
 	.open = minstrel_ht_stats_open,
 	.read = minstrel_stats_read,
 	.release = minstrel_stats_release,
+	.llseek = no_llseek,
 };
 
 void