From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754629Ab1GORhw (ORCPT ); Fri, 15 Jul 2011 13:37:52 -0400 Received: from p3plsmtps2ded01.prod.phx3.secureserver.net ([208.109.80.58]:33330 "HELO p3plsmtps2ded01-02.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754216Ab1GORaI (ORCPT ); Fri, 15 Jul 2011 13:30:08 -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 Subject: [PATCH 083/117] Staging: hv: storvsc: Prevent outgoing traffic when stor dev is destroyed Date: Fri, 15 Jul 2011 10:47:11 -0700 Message-Id: <1310752065-27895-83-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1310752065-27895-1-git-send-email-kys@microsoft.com> References: <1310752024-27854-1-git-send-email-kys@microsoft.com> <1310752065-27895-1-git-send-email-kys@microsoft.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Prevent outgoing traffic when stor dev is destroyed. Signed-off-by: K. Y. Srinivasan Signed-off-by: Haiyang Zhang --- drivers/staging/hv/hyperv_storage.h | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/staging/hv/hyperv_storage.h b/drivers/staging/hv/hyperv_storage.h index 6b20f1d..53b65be 100644 --- a/drivers/staging/hv/hyperv_storage.h +++ b/drivers/staging/hv/hyperv_storage.h @@ -296,7 +296,8 @@ static inline struct storvsc_device *get_out_stor_device( spin_lock_irqsave(&device->ext_lock, flags); stor_device = (struct storvsc_device *)device->ext; - if (stor_device && atomic_read(&stor_device->ref_count) > 1) + if (stor_device && (atomic_read(&stor_device->ref_count) > 1) && + !stor_device->destroy) atomic_inc(&stor_device->ref_count); else stor_device = NULL; -- 1.7.4.1