From: Markus Elfring Date: Wed, 21 Aug 2019 19:16:15 +0000 (+0200) Subject: can: Delete unnecessary checks before the macro call “dev_kfree_skb” X-Git-Tag: v5.15~5506^2~169 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=038dab7efc38254e151adbbade13b8860055d44a;p=platform%2Fkernel%2Flinux-starfive.git can: Delete unnecessary checks before the macro call “dev_kfree_skb” The dev_kfree_skb() function performs also input parameter validation. Thus the test around the shown calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Acked-by: Sean Nyekjaer Signed-off-by: David S. Miller --- diff --git a/drivers/net/can/spi/hi311x.c b/drivers/net/can/spi/hi311x.c index 28badace..73d48c3 100644 --- a/drivers/net/can/spi/hi311x.c +++ b/drivers/net/can/spi/hi311x.c @@ -177,8 +177,7 @@ static void hi3110_clean(struct net_device *net) if (priv->tx_skb || priv->tx_len) net->stats.tx_errors++; - if (priv->tx_skb) - dev_kfree_skb(priv->tx_skb); + dev_kfree_skb(priv->tx_skb); if (priv->tx_len) can_free_echo_skb(priv->net, 0); priv->tx_skb = NULL; diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 05547dd..58992fd 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -264,8 +264,7 @@ static void mcp251x_clean(struct net_device *net) if (priv->tx_skb || priv->tx_len) net->stats.tx_errors++; - if (priv->tx_skb) - dev_kfree_skb(priv->tx_skb); + dev_kfree_skb(priv->tx_skb); if (priv->tx_len) can_free_echo_skb(priv->net, 0); priv->tx_skb = NULL;