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* [PATCH net-next] cfg80211: fix possible memory leak in regdb_query_country()
@ 2018-03-30  2:07 Wei Yongjun
  0 siblings, 0 replies; only message in thread
From: Wei Yongjun @ 2018-03-30  2:07 UTC (permalink / raw)
  To: Johannes Berg; +Cc: Wei Yongjun, linux-wireless, kernel-janitors

'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 <>
 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(wmm_ptrs);
 				return -ENOMEM;
 			regdom = tmp_rd;

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2018-03-30  2:07 [PATCH net-next] cfg80211: fix possible memory leak in regdb_query_country() Wei Yongjun

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