net: rds: delete duplicated words

Drop repeated words in net/rds/.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Cc: linux-rdma@vger.kernel.org
Cc: rds-devel@oss.oracle.com
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index c3319ff..06603dd 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -711,7 +711,7 @@ static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event, bool isv6)
 	 * original size. The only way to tell the difference is by looking at
 	 * the contents, which are initialized to zero.
 	 * If the protocol version fields aren't set, this is a connection attempt
-	 * from an older version. This could could be 3.0 or 2.0 - we can't tell.
+	 * from an older version. This could be 3.0 or 2.0 - we can't tell.
 	 * We really should have changed this for OFED 1.3 :-(
 	 */