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>

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>
Arnd Bergmann
1 parent d9d2e9d5c9
Showing 1 changed file with 2 additions and 1 deletions Side-by-side Diff
net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -90,7 +90,7 @@
 		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 @@
 	.open = minstrel_ht_stats_open,
 	.read = minstrel_stats_read,
 	.release = minstrel_stats_release,
+	.llseek = no_llseek,
 };
  
 void
...	...	@@ -90,7 +90,7 @@
90	90	MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
91	91	ms->len = p - ms->buf;
92	92
93		- return 0;
	93	+ return nonseekable_open(inode, file);
94	94	}
95	95
96	96	static const struct file_operations minstrel_ht_stat_fops = {
...	...	@@ -98,6 +98,7 @@
98	98	.open = minstrel_ht_stats_open,
99	99	.read = minstrel_stats_read,
100	100	.release = minstrel_stats_release,
	101	+ .llseek = no_llseek,
101	102	};
102	103
103	104	void