wan: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Hoist assigns from if tests.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 6aed238..0179cef 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -795,8 +795,8 @@
 	if (mutex_lock_interruptible(&chan->rlock))
 		return -ERESTARTSYS;
 	
-	if ((chan->rxdata = kmalloc(COSA_MTU, GFP_DMA|GFP_KERNEL)) == NULL) {
-		pr_info("%s: cosa_read() - OOM\n", cosa->name);
+	chan->rxdata = kmalloc(COSA_MTU, GFP_DMA|GFP_KERNEL);
+	if (chan->rxdata == NULL) {
 		mutex_unlock(&chan->rlock);
 		return -ENOMEM;
 	}
@@ -874,9 +874,8 @@
 		count = COSA_MTU;
 	
 	/* Allocate the buffer */
-	if ((kbuf = kmalloc(count, GFP_KERNEL|GFP_DMA)) == NULL) {
-		pr_notice("%s: cosa_write() OOM - dropping packet\n",
-			  cosa->name);
+	kbuf = kmalloc(count, GFP_KERNEL|GFP_DMA);
+	if (kbuf == NULL) {
 		up(&chan->wsem);
 		return -ENOMEM;
 	}