From nobody Sat Nov 30 05:34:49 2024 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8FA2B41A80; Wed, 11 Sep 2024 13:59:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726063156; cv=pass; b=KpKiaPbDOPD860HZ38C742o+0soRzqOW0ApWF0iaB9jr/Zl5p+Ywf8p+y3tbrIDClknof0+wmWKLmRvfNsLdiMfoEWaIgx4c7JiYD086lpgR7bDayNYHgHf8+K4Ty2I7SekMj1EAA2x1sW7dVF/z+fVjr4lh6qwWQSuu7qSWbPM= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726063156; c=relaxed/simple; bh=tR0+qbQNlJJ2Qfag0JQ0CCv1cZ0/5uu0/3zrgWNBOUA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=jeuxbkRN6R5nHCGqE3zLQ/bdilRHkwEgngW7SxrHnLKk7aRVmuI56S9E0w8vmAcXnv6IRi43gOtkJpSckGwpMqw2mZGrPFAJV0/ZfWsVJDJqe2d+ASxx7pbXexrcMxXH7cuU/6Ks4W4B+VSyeP5QL/0YIIerTO5QYDqJn/DvEro= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=usama.anjum@collabora.com header.b=RSLBc0p7; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=usama.anjum@collabora.com header.b="RSLBc0p7" ARC-Seal: i=1; a=rsa-sha256; t=1726063132; cv=none; d=zohomail.com; s=zohoarc; b=Cz06d1eKf6RLRfSaw3RousMQrwvR8oVDvn9IvUoH4MRTm78a4nMnn5HwOd9LAJ5yMxaTbkv9KGrvjQBSSwRrmQw4DilkFFPoTNSMeUGUd77P+1w4o/rc3qUjN21IrK4RWrf+A24PypvUUlHLwWYj8Nk9vcUOsF4X7Gwb9A728oo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1726063132; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=FDi1oNGOwGoL1t3b9YdynYQnQAMFZgRgi9/q+B0Y13M=; b=bktxxtZNauRkKIDKgI/4xidULTKX2xrHay+4824keC/nQN26vE/gsuAtunZhoc7HsTTxXTm8AjTn5SIIGgQ+rbNdVWEfsySLloOq7gPzd80syXFyV4JwJKMN41a3qSvYeAhrRg8b50+L5dTp97WIFISe/k7qdMOINdUpTDcQJ3M= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=usama.anjum@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1726063132; s=zohomail; d=collabora.com; i=usama.anjum@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-Id:Message-Id:MIME-Version:Content-Transfer-Encoding:Reply-To; bh=FDi1oNGOwGoL1t3b9YdynYQnQAMFZgRgi9/q+B0Y13M=; b=RSLBc0p7tR09HKevOZjGkC8s5tpepxvaLIctPMnN4oEXWgxuZzvrtBCkIB/s7Q7W yWIS6X7TXhC1wjM/RDuvr1MaNAxDntIY8s/9wheDdlB7neCAA1sAILpVnsQX8n9VGwS P/X61m+hgA7IY+FQZNYr0wBKC0gPnryRIDbmh5mE= Received: by mx.zohomail.com with SMTPS id 17260631313681018.8933079989365; Wed, 11 Sep 2024 06:58:51 -0700 (PDT) From: Muhammad Usama Anjum To: Chris Snook , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Oleksij Rempel Cc: Muhammad Usama Anjum , 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 Message-Id: <20240911135828.378317-1-usama.anjum@collabora.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Andrew Lunn Reviewed-by: Oleksij Rempel Reviewed-by: Vadim Fedorenko --- 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/a= theros/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 l= imit) unsigned int i =3D ring->curr & ring_mask; struct ag71xx_desc *desc =3D ag71xx_ring_desc(ring, i); int pktlen; - int err =3D 0; =20 if (ag71xx_desc_empty(desc)) break; @@ -1643,20 +1642,16 @@ static int ag71xx_rx_packets(struct ag71xx *ag, int= limit) skb =3D 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; } =20 skb_reserve(skb, offset); skb_put(skb, pktlen); =20 - if (err) { - ndev->stats.rx_dropped++; - kfree_skb(skb); - } else { - skb->dev =3D ndev; - skb->ip_summed =3D CHECKSUM_NONE; - list_add_tail(&skb->list, &rx_list); - } + skb->dev =3D ndev; + skb->ip_summed =3D CHECKSUM_NONE; + list_add_tail(&skb->list, &rx_list); =20 next: ring->buf[i].rx.rx_buf =3D NULL; --=20 2.39.2