mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-22 01:08:13 -04:00
Code Issues Packages Projects Releases Wiki Activity

wifi: cfg80211: Fix an error handling path in cfg80211_wext_siwscan()

Browse Source 
If the test against IEEE80211_MAX_SSID_LEN fails, then 'creq' leaks.
Use the existing error handling path to fix it.

Fixes: 2a51931192 ("cfg80211/nl80211: scanning (and mac80211 update to use it)")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://patch.msgid.link/a1be7eea4da0da18f90589af252bb76a18a61978.1781984889.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Christophe JAILLET
2026-06-20 21:48:56 +02:00
committed by Johannes Berg
parent 0d388f6203
commit c6659f66d4
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
net/wireless/scan.c
View File

@@ -3612,8 +3612,10 @@ int cfg80211_wext_siwscan(struct net_device *dev,
/* translate "Scan for SSID" request */
if (wreq) {
if (wrqu->data.flags & IW_SCAN_THIS_ESSID) {
if (wreq->essid_len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
if (wreq->essid_len > IEEE80211_MAX_SSID_LEN) {
err = -EINVAL;
goto out;
}
memcpy(creq->req.ssids[0].ssid, wreq->essid,
wreq->essid_len);
creq->req.ssids[0].ssid_len = wreq->essid_len;