From: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Date: Tue, 20 May 2014 11:14:23 +0000 (+0200)
Subject: mac802154: llsec: fold useless return value check
X-Git-Tag: v3.16-rc1~27^2~169^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=62e9c117eec56a3c9611613a3aa90c9671244d33;p=thirdparty%2Fkernel%2Flinux.git

mac802154: llsec: fold useless return value check

llsec_do_encrypt will never return a positive value, so the restriction
to 0-or-negative on return is useless.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c
index 6edcb20c2e708..08d08cbf51f4b 100644
--- a/net/mac802154/llsec.c
+++ b/net/mac802154/llsec.c
@@ -773,7 +773,7 @@ int mac802154_llsec_encrypt(struct mac802154_llsec *sec, struct sk_buff *skb)
 	rc = llsec_do_encrypt(skb, sec, &hdr, key);
 	llsec_key_put(key);
 
-	return rc < 0 ? rc : 0;
+	return rc;
 
 fail_read:
 	read_unlock_bh(&sec->lock);