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mac80211: fix ie memory allocation for scheduled scans

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We were not allocating memory for the IEs passed in the scheduled_scan
request and this was causing memory corruption (buffer overflow).

Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luciano Coelho 2011-07-07 15:18:27 +03:00 committed by John W. Linville
parent 6ae8ec2786
commit 1186980daf
1 changed files with 2 additions and 1 deletions
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3
net/mac80211/scan.c
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@ -877,7 +877,8 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
local->sched_scan_ies.ie[i] = kzalloc(2 +
IEEE80211_MAX_SSID_LEN +
local->scan_ies_len,
local->scan_ies_len +
req->ie_len,
GFP_KERNEL);
if (!local->sched_scan_ies.ie[i]) {
ret = -ENOMEM;