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[PATCH] nl80211: avoid possible memleak on nl80211_set_reg

From: Eduardo Abinader <hidden>
Date: 2016-06-06 14:57:10
Subsystem: 802.11 (including cfg80211/nl80211), the rest · Maintainers: Johannes Berg, Linus Torvalds

Setting NULL just after freeing regdomain.

Signed-off-by: Eduardo Abinader <redacted>
---
  net/wireless/nl80211.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d120449..39d107d 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5839,10 +5839,11 @@ static int nl80211_set_reg(struct sk_buff *skb, 
struct genl_info *info)

  	r = set_regdom(rd, REGD_SOURCE_CRDA);
  	/* set_regdom took ownership */
-	rd = NULL;

   bad_reg:
  	kfree(rd);
+	rd = NULL;
+
  	return r;
  }
  #endif /* CONFIG_CFG80211_CRDA_SUPPORT */
-- 
2.5.0
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