Thread (2 messages) flat view 2 messages, 2 authors, 2016-11-08
STALE3558d

[PATCH] net/netfilter: Fix use uninitialized warn in nft_range_eval()

From: Shuah Khan <hidden>
Date: 2016-11-07 15:42:41
Also in: lkml, netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Fix the following warn:

   CC [M]  net/netfilter/nft_range.o
8601,8605c9105
 net/netfilter/nft_range.c: In function ‘nft_range_eval’:
 net/netfilter/nft_range.c:45:5: warning: ‘mismatch’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (mismatch)
      ^

Signed-off-by: Shuah Khan <redacted>
---
 net/netfilter/nft_range.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netfilter/nft_range.c b/net/netfilter/nft_range.c
index c6d5358..fe5f69b 100644
--- a/net/netfilter/nft_range.c
+++ b/net/netfilter/nft_range.c
@@ -28,7 +28,7 @@ static void nft_range_eval(const struct nft_expr *expr,
 			 const struct nft_pktinfo *pkt)
 {
 	const struct nft_range_expr *priv = nft_expr_priv(expr);
-	bool mismatch;
+	bool mismatch = false;
 	int d1, d2;
 
 	d1 = memcmp(&regs->data[priv->sreg], &priv->data_from, priv->len);
-- 
2.9.3
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