* removing check not needed

Signed-off-by: Aristeu Sergio Rozanski Filho <aris@cathedrallabs.org>

Index: net/x25/af_x25.c
===================================================================
--- net/x25/af_x25.c	(revision 75)
+++ net/x25/af_x25.c	(revision 76)
@@ -973,10 +973,8 @@
 		}
 
 		case SIOCGSTAMP:
-			rc = -EINVAL;
-			if (sk)
-				rc = sock_get_timestamp(sk, 
-						(struct timeval __user *)argp); 
+			rc = sock_get_timestamp(sk, 
+					(struct timeval __user *)argp); 
 			break;
 		case SIOCGIFADDR:
 		case SIOCSIFADDR: