From ca435407ba6655a0d63230818ffe7006d967dfe5 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Sat, 25 Feb 2017 22:38:11 +0800
Subject: [PATCH] rhashtable: Fix use before NULL check in bucket_table_free

Dan Carpenter reported a use before NULL check bug in the function
bucket_table_free.  In fact we don't need the NULL check at all as
no caller can provide a NULL argument.  So this patch fixes this by
simply removing it.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 lib/rhashtable.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/rhashtable.c b/lib/rhashtable.c
index 172454e6b979..fac1a78afb39 100644
--- a/lib/rhashtable.c
+++ b/lib/rhashtable.c
@@ -146,9 +146,7 @@ static void bucket_table_free(const struct bucket_table *tbl)
 	if (tbl->nest)
 		nested_bucket_table_free(tbl);
 
-	if (tbl)
-		kvfree(tbl->locks);
-
+	kvfree(tbl->locks);
 	kvfree(tbl);
 }
 
-- 
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