Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756547Ab1F2O3r (ORCPT ); Wed, 29 Jun 2011 10:29:47 -0400 Received: from p3plsmtps2ded01.prod.phx3.secureserver.net ([208.109.80.58]:48336 "HELO p3plsmtps2ded01-01.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755899Ab1F2OWy (ORCPT ); Wed, 29 Jun 2011 10:22:54 -0400 From: "K. Y. Srinivasan" To: gregkh@suse.de, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org Cc: "K. Y. Srinivasan" , Haiyang Zhang , Abhishek Kane , Hank Janssen Subject: [PATCH 18/40] Staging: hv: netvsc: Prevent outgoing traffic when netvsc dev is destroyed Date: Wed, 29 Jun 2011 07:39:15 -0700 Message-Id: <1309358377-8537-18-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1309358377-8537-1-git-send-email-kys@microsoft.com> References: <1309358301-8488-1-git-send-email-kys@microsoft.com> <1309358377-8537-1-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1175 Lines: 32 Prevent outgoing traffic when netvsc dev is destroyed. Signed-off-by: K. Y. Srinivasan Signed-off-by: Haiyang Zhang Signed-off-by: Abhishek Kane Signed-off-by: Hank Janssen --- drivers/staging/hv/netvsc.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c index 531de63..3ac0e17 100644 --- a/drivers/staging/hv/netvsc.c +++ b/drivers/staging/hv/netvsc.c @@ -60,7 +60,8 @@ static struct netvsc_device *get_outbound_net_device(struct hv_device *device) spin_lock_irqsave(&device->ext_lock, flags); net_device = device->ext; - if (net_device && atomic_read(&net_device->refcnt) > 1) + if (net_device && (atomic_read(&net_device->refcnt) > 1) && + !net_device->destroy) atomic_inc(&net_device->refcnt); else net_device = NULL; -- 1.7.4.1 -- 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/