Index: kernel/generic/src/ipc/sysipc.c
===================================================================
--- kernel/generic/src/ipc/sysipc.c	(revision 8708be3b71f810c397b5d8fe39f63d6cff6f86fe)
+++ kernel/generic/src/ipc/sysipc.c	(revision 1761268c1ab1e57b9fa5694aead0b2e9952761b6)
@@ -278,5 +278,5 @@
 		}
 	} else if (IPC_GET_IMETHOD(*olddata) == IPC_M_SHARE_IN) {
-		if (!IPC_GET_RETVAL(answer->data)) { 
+		if (!IPC_GET_RETVAL(answer->data)) {
 			irq_spinlock_lock(&answer->sender->lock, true);
 			as_t *as = answer->sender->as;
Index: uspace/srv/net/net/packet_server.c
===================================================================
--- uspace/srv/net/net/packet_server.c	(revision 8708be3b71f810c397b5d8fe39f63d6cff6f86fe)
+++ uspace/srv/net/net/packet_server.c	(revision 1761268c1ab1e57b9fa5694aead0b2e9952761b6)
@@ -304,15 +304,14 @@
 static int packet_reply(packet_t *packet)
 {
+	if (!packet_is_valid(packet))
+		return EINVAL;
+	
 	ipc_callid_t callid;
 	size_t size;
-
-	if (!packet_is_valid(packet))
-		return EINVAL;
-
 	if (!async_share_in_receive(&callid, &size)) {
 		async_answer_0(callid, EINVAL);
 		return EINVAL;
 	}
-
+	
 	if (size != packet->length) {
 		async_answer_0(callid, ENOMEM);
@@ -375,7 +374,7 @@
 	case NET_PACKET_GET:
 		packet = pm_find(IPC_GET_ID(*call));
-		if (!packet_is_valid(packet)) {
+		if (!packet_is_valid(packet))
 			return ENOENT;
-		}
+		
 		return packet_reply(packet);