caif_usb: remove redundant memory message

Let MM subsystem display out of memory messages.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index ba02db02..0e487b0 100644
--- a/net/caif/caif_usb.c
+++ b/net/caif/caif_usb.c
@@ -87,10 +87,9 @@
 {
 	struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);
 
-	if (!this) {
-		pr_warn("Out of memory\n");
+	if (!this)
 		return NULL;
-	}
+
 	caif_assert(offsetof(struct cfusbl, layer) == 0);
 
 	memset(this, 0, sizeof(struct cflayer));