From mboxrd@z Thu Jan 1 00:00:00 1970 From: linas@austin.ibm.com (Linas Vepstas) Subject: [PATCH 20/21]: powerpc/cell spidernet release all descrs Date: Tue, 10 Oct 2006 16:22:29 -0500 Message-ID: <20061010212229.GQ4381@austin.ibm.com> References: <20061010204946.GW4381@austin.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: jeff@garzik.org, Arnd Bergmann , netdev@vger.kernel.org, James K Lewis , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org Return-path: To: akpm@osdl.org Content-Disposition: inline In-Reply-To: <20061010204946.GW4381@austin.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Bugfix: rx descriptor release function fails to visit the last entry while walking receive descriptor ring. Signed-off-by: Linas Vepstas Cc: James K Lewis Cc: Arnd Bergmann ---- drivers/net/spider_net.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux-2.6.18-mm2/drivers/net/spider_net.c =================================================================== --- linux-2.6.18-mm2.orig/drivers/net/spider_net.c 2006-10-10 13:37:40.000000000 -0500 +++ linux-2.6.18-mm2/drivers/net/spider_net.c 2006-10-10 13:40:56.000000000 -0500 @@ -358,7 +358,7 @@ spider_net_free_rx_chain_contents(struct struct spider_net_descr *descr; descr = card->rx_chain.head; - while (descr->next != card->rx_chain.head) { + do { if (descr->skb) { dev_kfree_skb(descr->skb); pci_unmap_single(card->pdev, descr->buf_addr, @@ -366,7 +366,7 @@ spider_net_free_rx_chain_contents(struct PCI_DMA_BIDIRECTIONAL); } descr = descr->next; - } + } while (descr != card->rx_chain.head); } /**