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From: Muhammad Usama Anjum <usama.anjum@collabora.com>
To: Chris Snook <chris.snook@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Andrew Lunn <andrew@lunn.ch>,
	Oleksij Rempel <o.rempel@pengutronix.de>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>,
	kernel@collabora.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2] net: ethernet: ag71xx: Remove dead code
Date: Wed, 11 Sep 2024 18:58:27 +0500	[thread overview]
Message-ID: <20240911135828.378317-1-usama.anjum@collabora.com> (raw)

The err variable isn't being used anywhere other than getting
initialized to 0 and then it is being checked in if condition. The
condition can never be true. Remove the err and deadcode.

Move the rx_dropped counter above when skb isn't found.

Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
---
Changes since v1:
- Move the rx_dropped counter above when skb isn't found.
---
 drivers/net/ethernet/atheros/ag71xx.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index db2a8ade62055..2effceeb191db 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1619,7 +1619,6 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
 		unsigned int i = ring->curr & ring_mask;
 		struct ag71xx_desc *desc = ag71xx_ring_desc(ring, i);
 		int pktlen;
-		int err = 0;
 
 		if (ag71xx_desc_empty(desc))
 			break;
@@ -1643,20 +1642,16 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int limit)
 		skb = napi_build_skb(ring->buf[i].rx.rx_buf, ag71xx_buffer_size(ag));
 		if (!skb) {
 			skb_free_frag(ring->buf[i].rx.rx_buf);
+			ndev->stats.rx_dropped++;
 			goto next;
 		}
 
 		skb_reserve(skb, offset);
 		skb_put(skb, pktlen);
 
-		if (err) {
-			ndev->stats.rx_dropped++;
-			kfree_skb(skb);
-		} else {
-			skb->dev = ndev;
-			skb->ip_summed = CHECKSUM_NONE;
-			list_add_tail(&skb->list, &rx_list);
-		}
+		skb->dev = ndev;
+		skb->ip_summed = CHECKSUM_NONE;
+		list_add_tail(&skb->list, &rx_list);
 
 next:
 		ring->buf[i].rx.rx_buf = NULL;
-- 
2.39.2


             reply	other threads:[~2024-09-11 13:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-11 13:58 Muhammad Usama Anjum [this message]
2024-09-11 14:24 ` Andrew Lunn
2024-09-11 15:47 ` Vadim Fedorenko
2024-09-11 18:20 ` Oleksij Rempel
2024-09-12 15:56   ` Eric Dumazet
2024-09-12 16:28     ` Qianqiang Liu
2024-09-13  0:42     ` Jakub Kicinski
2024-09-13  3:27       ` Jakub Kicinski

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