From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: [PATCH V2] pcnet32: Neaten and remove unnecessary OOM messages Date: Wed, 25 Jun 2014 16:55:25 -0700 Message-ID: <1403740525.28663.6.camel@joe-AO725> References: <1403546524.12008.2.camel@Lunix2.home> <1403550950.15811.15.camel@joe-AO725> <1403557507.20657.3.camel@joe-AO725> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Andrew Morton , David Miller To: Don Fry Return-path: In-Reply-To: <1403557507.20657.3.camel@joe-AO725> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Make the code flow a little better for 80 columns. Use a consistent style for the RX and TX rings allocation. Use BIT macro. Use a temporary unsigned int entries for (1< Acked-by: Don Fry --- V2: Use pcnet32 as patch prefix, amd is too generic Still depends on patch 1/22: pci-dma-compat: Add pci_zalloc_consistent helper drivers/net/ethernet/amd/pcnet32.c | 43 ++++++++++++++++---------------------- 1 file changed, 18 insertions(+), 25 deletions(-) diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index 8099fdc..4a8fdc4 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -481,36 +481,32 @@ static void pcnet32_realloc_tx_ring(struct net_device *dev, dma_addr_t *new_dma_addr_list; struct pcnet32_tx_head *new_tx_ring; struct sk_buff **new_skb_list; + unsigned int entries = BIT(size); pcnet32_purge_tx_ring(dev); - new_tx_ring = pci_zalloc_consistent(lp->pci_dev, - sizeof(struct pcnet32_tx_head) * - (1 << size), - &new_ring_dma_addr); - if (new_tx_ring == NULL) { - netif_err(lp, drv, dev, "Consistent memory allocation failed\n"); + new_tx_ring = + pci_zalloc_consistent(lp->pci_dev, + sizeof(struct pcnet32_tx_head) * entries, + &new_ring_dma_addr); + if (new_tx_ring == NULL) return; - } - new_dma_addr_list = kcalloc(1 << size, sizeof(dma_addr_t), - GFP_ATOMIC); + new_dma_addr_list = kcalloc(entries, sizeof(dma_addr_t), GFP_ATOMIC); if (!new_dma_addr_list) goto free_new_tx_ring; - new_skb_list = kcalloc(1 << size, sizeof(struct sk_buff *), - GFP_ATOMIC); + new_skb_list = kcalloc(entries, sizeof(struct sk_buff *), GFP_ATOMIC); if (!new_skb_list) goto free_new_lists; kfree(lp->tx_skbuff); kfree(lp->tx_dma_addr); pci_free_consistent(lp->pci_dev, - sizeof(struct pcnet32_tx_head) * - lp->tx_ring_size, lp->tx_ring, - lp->tx_ring_dma_addr); + sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, + lp->tx_ring, lp->tx_ring_dma_addr); - lp->tx_ring_size = (1 << size); + lp->tx_ring_size = entries; lp->tx_mod_mask = lp->tx_ring_size - 1; lp->tx_len_bits = (size << 12); lp->tx_ring = new_tx_ring; @@ -523,8 +519,7 @@ free_new_lists: kfree(new_dma_addr_list); free_new_tx_ring: pci_free_consistent(lp->pci_dev, - sizeof(struct pcnet32_tx_head) * - (1 << size), + sizeof(struct pcnet32_tx_head) * entries, new_tx_ring, new_ring_dma_addr); } @@ -548,16 +543,14 @@ static void pcnet32_realloc_rx_ring(struct net_device *dev, struct pcnet32_rx_head *new_rx_ring; struct sk_buff **new_skb_list; int new, overlap; - unsigned int entries = 1 << size; + unsigned int entries = BIT(size); - new_rx_ring = pci_zalloc_consistent(lp->pci_dev, - sizeof(struct pcnet32_rx_head) * - entries, - &new_ring_dma_addr); - if (new_rx_ring == NULL) { - netif_err(lp, drv, dev, "Consistent memory allocation failed\n"); + new_rx_ring = + pci_zalloc_consistent(lp->pci_dev, + sizeof(struct pcnet32_rx_head) * entries, + &new_ring_dma_addr); + if (new_rx_ring == NULL) return; - } new_dma_addr_list = kcalloc(entries, sizeof(dma_addr_t), GFP_ATOMIC); if (!new_dma_addr_list)