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 4a5a4b3e7799f1845421843e22fee503ef62ffb4..cefcb5d2dae6e40888af8d712ed564a00cebc42c 100644 (file)
--- 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