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mac80211: fix agg_status debugfs file write

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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>
This commit is contained in:
Johannes Berg 2014-01-08 22:22:05 +01:00
parent 2fae062e50
commit c4d2ffac33
1 changed files with 1 additions and 1 deletions
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net/mac80211/debugfs_sta.c
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@ -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;