[PATCH v2 2/2] hostapd: free nlmsg when radar detection fail

Janusz Dziedzic janusz.dziedzic at tieto.com
Sun Sep 28 00:54:44 EDT 2014


Remove poswsible memory leak when start radar
detection will fail.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic at tieto.com>
---
 src/drivers/driver_nl80211.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 682ec68..26e31a3 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -11527,11 +11527,13 @@ static int nl80211_start_radar_detection(void *priv,
 		goto nla_put_failure;
 
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+	msg = NULL;
 	if (ret == 0)
 		return 0;
 	wpa_printf(MSG_DEBUG, "nl80211: Failed to start radar detection: "
 		   "%d (%s)", ret, strerror(-ret));
 nla_put_failure:
+	nlmsg_free(msg);
 	return -1;
 }
 
-- 
1.9.1



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