2018-03-30 02:01:42

by Wei Yongjun

[permalink] [raw]
Subject: [PATCH net-next] cfg80211: fix possible memory leak in regdb_query_country()

'wmm_ptrs' is malloced in regdb_query_country() and should be freed
before leaving from the error handling cases, otherwise it will cause
memory leak.

Signed-off-by: Wei Yongjun <[email protected]>
---
net/wireless/reg.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 16c7e4e..ac3e12c 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1026,6 +1026,7 @@ static int regdb_query_country(const struct fwdb_header *db,

if (!tmp_rd) {
kfree(regdom);
+ kfree(wmm_ptrs);
return -ENOMEM;
}
regdom = tmp_rd;