Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751631AbaDALQP (ORCPT ); Tue, 1 Apr 2014 07:16:15 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:42095 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751399AbaDALQG (ORCPT ); Tue, 1 Apr 2014 07:16:06 -0400 From: Luis Henriques To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Avinash Patil , Bing Zhao , "John W. Linville" , Luis Henriques Subject: [PATCH 3.11 008/144] mwifiex: clean pcie ring only when device is present Date: Tue, 1 Apr 2014 12:13:32 +0100 Message-Id: <1396350948-29910-9-git-send-email-luis.henriques@canonical.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1396350948-29910-1-git-send-email-luis.henriques@canonical.com> References: <1396350948-29910-1-git-send-email-luis.henriques@canonical.com> X-Extended-Stable: 3.11 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.11.10.7 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Avinash Patil commit 4f7ba432202c8330cc03ab959c6228d0de5dc4a3 upstream. Write io memory to clean PCIe buffer only when PCIe device is present else this results into crash because of invalid memory access. Signed-off-by: Avinash Patil Signed-off-by: Bing Zhao Signed-off-by: John W. Linville Signed-off-by: Luis Henriques --- drivers/net/wireless/mwifiex/wmm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index fbf0915..03877ec 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -559,7 +559,8 @@ mwifiex_clean_txrx(struct mwifiex_private *priv) mwifiex_wmm_delete_all_ralist(priv); memcpy(tos_to_tid, ac_to_tid, sizeof(tos_to_tid)); - if (priv->adapter->if_ops.clean_pcie_ring) + if (priv->adapter->if_ops.clean_pcie_ring && + !priv->adapter->surprise_removed) priv->adapter->if_ops.clean_pcie_ring(priv->adapter); spin_unlock_irqrestore(&priv->wmm.ra_list_spinlock, flags); } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/