From: Julia Lawall <julia.law...@lip6.fr> Delete unnecessary local variable whose value is always 0 and that hides the fact that the result is always 0.
A simplified version of the semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ local idexpression ret; expression e; position p; @@ -ret = 0; ... when != ret = e return - ret + 0 ; // </smpl> Signed-off-by: Julia Lawall <julia.law...@lip6.fr> --- Alternatively, was an error code intended in the bad length case, as is done in process_brxed_802_11_packet? drivers/net/wireless/libertas/rx.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index c7366b0..807c5b8 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -55,7 +55,6 @@ static int process_rxed_802_11_packet(struct lbs_private *priv, */ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) { - int ret = 0; struct net_device *dev = priv->dev; struct rxpackethdr *p_rx_pkt; struct rxpd *p_rx_pd; @@ -86,7 +85,6 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) if (skb->len < (ETH_HLEN + 8 + sizeof(struct rxpd))) { lbs_deb_rx("rx err: frame received with bad length\n"); dev->stats.rx_length_errors++; - ret = 0; dev_kfree_skb(skb); goto done; } @@ -154,10 +152,9 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) else netif_rx_ni(skb); - ret = 0; done: - lbs_deb_leave_args(LBS_DEB_RX, "ret %d", ret); - return ret; + lbs_deb_leave_args(LBS_DEB_RX, "ret %d", 0); + return 0; } EXPORT_SYMBOL_GPL(lbs_process_rxed_packet); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
