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[net-next] cfg80211: fix possible memory leak in regdb_query_country()

Message ID 1522375625-135679-1-git-send-email-weiyongjun1@huawei.com (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show

Commit Message

Wei Yongjun March 30, 2018, 2:07 a.m. UTC
'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 <weiyongjun1@huawei.com>
 net/wireless/reg.c | 1 +
 1 file changed, 1 insertion(+)
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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(wmm_ptrs);
 				return -ENOMEM;
 			regdom = tmp_rd;