netdev - [PATCH net-next 1/4] sctp: merge two if statements to one

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Message-ID: <1382672748-10156-2-git-send-email-wangweidong1@huawei.com>
Date:	Fri, 25 Oct 2013 11:45:45 +0800
From:	Wang Weidong <wangweidong1@...wei.com>
To:	<nhorman@...driver.com>, <vyasevich@...il.com>
CC:	<davem@...emloft.net>, <dingtianhong@...wei.com>,
	<linux-sctp@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: [PATCH net-next 1/4] sctp: merge two if statements to one

Two if statements do the same work, maybe we can merge them to
one. There is just code simplification, no functional changes.

Signed-off-by: Wang Weidong <wangweidong1@...wei.com>
---
 net/sctp/auth.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 8c4fa5d..19fb0ae 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -539,18 +539,14 @@ struct sctp_hmac *sctp_auth_asoc_get_hmac(const struct sctp_association *asoc)
 	for (i = 0; i < n_elt; i++) {
 		id = ntohs(hmacs->hmac_ids[i]);
 
-		/* Check the id is in the supported range */
-		if (id > SCTP_AUTH_HMAC_ID_MAX) {
-			id = 0;
-			continue;
-		}
-
-		/* See is we support the id.  Supported IDs have name and
+		/* Check the id is in the supported range. And
+		 * see is we support the id.  Supported IDs have name and
 		 * length fields set, so that we can allocated and use
 		 * them.  We can safely just check for name, for without the
 		 * name, we can't allocate the TFM.
 		 */
-		if (!sctp_hmac_list[id].hmac_name) {
+		if (id > SCTP_AUTH_HMAC_ID_MAX ||
+			!sctp_hmac_list[id].hmac_name) {
 			id = 0;
 			continue;
 		}
-- 
1.7.12


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