sctp: merge two if statements to one

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

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 9 deletions

diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 8c4fa5dec824..46b5977978a1 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
-                 * length fields set, so that we can allocated and use
+                /* Check the id is in the supported range. And
+                 * see if we support the id.  Supported IDs have name and
+                 * length fields set, so that we can allocate 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;
                 }