linux-kernel - [PATCH] net: plip: Delete an error message for a failed memory allocation in plip_receive

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Date:   Wed, 3 Jan 2018 16:08:59 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] net: plip: Delete an error message for a failed memory
 allocation in plip_receive_packet()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 3 Jan 2018 16:00:23 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 drivers/net/plip/plip.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c
index feb92ecd1880..22f10d395d9c 100644
--- a/drivers/net/plip/plip.c
+++ b/drivers/net/plip/plip.c
@@ -632,10 +632,9 @@ plip_receive_packet(struct net_device *dev, struct net_local *nl,
 		}
 		/* Malloc up new buffer. */
 		rcv->skb = dev_alloc_skb(rcv->length.h + 2);
-		if (rcv->skb == NULL) {
-			printk(KERN_ERR "%s: Memory squeeze.\n", dev->name);
+		if (!rcv->skb)
 			return ERROR;
-		}
+
 		skb_reserve(rcv->skb, 2);	/* Align IP on 16 byte boundaries */
 		skb_put(rcv->skb,rcv->length.h);
 		rcv->skb->dev = dev;
-- 
2.15.1