drivers/net: Remove unnecessary k.alloc/v.alloc OOM messages

alloc failures use dump_stack so emitting an additional
out-of-memory message is an unnecessary duplication.

Remove the allocation failure messages.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 4053509..f4fbad9 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -86,10 +86,8 @@
 				pdev->vendor, pdev->device, pdev->revision);
 
 	card = kzalloc(sizeof(struct pcie_service_card), GFP_KERNEL);
-	if (!card) {
-		pr_err("%s: failed to alloc memory\n", __func__);
+	if (!card)
 		return -ENOMEM;
-	}
 
 	card->dev = pdev;