diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2014-01-08 22:22:05 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-02-04 21:48:19 +0100 |
| commit | c4d2ffac330fd013944654f11cdfc06ff5ca9bf4 (patch) | |
| tree | 767096fd6407003c908b9fd713e249b4aede4218 /net/mac80211/debugfs_sta.c | |
| parent | mac80211: Fix ROC duration == 0 handling (diff) | |
| download | linux-c4d2ffac330fd013944654f11cdfc06ff5ca9bf4.tar.xz linux-c4d2ffac330fd013944654f11cdfc06ff5ca9bf4.zip | |
mac80211: fix agg_status debugfs file write
Initialize the buffer to all zeroes, otherwise the stack
data might be interpreted as the TID, which is likely to
fail completely.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/debugfs_sta.c')
| -rw-r--r-- | net/mac80211/debugfs_sta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 80194b557a0c..2ecb4deddb5d 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -195,7 +195,7 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf, static ssize_t sta_agg_status_write(struct file *file, const char __user *userbuf, size_t count, loff_t *ppos) { - char _buf[12], *buf = _buf; + char _buf[12] = {}, *buf = _buf; struct sta_info *sta = file->private_data; bool start, tx; unsigned long tid; |