From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754890Ab1GORj5 (ORCPT ); Fri, 15 Jul 2011 13:39:57 -0400 Received: from p3plsmtps2ded01.prod.phx3.secureserver.net ([208.109.80.58]:33318 "HELO p3plsmtps2ded01-01.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754189Ab1GORaH (ORCPT ); Fri, 15 Jul 2011 13:30:07 -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 076/117] Staging: hv: storvsc: Do not aquire an unnecessary reference on stor_device Date: Fri, 15 Jul 2011 10:47:04 -0700 Message-Id: <1310752065-27895-76-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 On entry into storvsc_on_io_completion() we have already acquired a reference on the stor_device; there is no need to acquire an additional reference here. Signed-off-by: K. Y. Srinivasan Signed-off-by: Haiyang Zhang --- drivers/staging/hv/storvsc.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-) diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c index 8c62829..cd38cd6 100644 --- a/drivers/staging/hv/storvsc.c +++ b/drivers/staging/hv/storvsc.c @@ -232,9 +232,7 @@ static void storvsc_on_io_completion(struct hv_device *device, struct storvsc_device *stor_device; struct vstor_packet *stor_pkt; - stor_device = must_get_stor_device(device); - if (!stor_device) - return; + stor_device = (struct storvsc_device *)device->ext; stor_pkt = &request->vstor_packet; @@ -279,7 +277,6 @@ static void storvsc_on_io_completion(struct hv_device *device, wake_up(&stor_device->waiting_to_drain); - put_stor_device(device); } static void storvsc_on_receive(struct hv_device *device, -- 1.7.4.1