From mboxrd@z Thu Jan 1 00:00:00 1970 From: "K. Y. Srinivasan" Subject: [PATCH 02/46] Staging: hv: storvsc: Do not aquire an unnecessary reference on stor_device Date: Sat, 27 Aug 2011 11:31:01 -0700 Message-ID: <1314469905-7058-2-git-send-email-kys@microsoft.com> References: <1314469874-7017-1-git-send-email-kys@microsoft.com> <1314469905-7058-1-git-send-email-kys@microsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1314469905-7058-1-git-send-email-kys@microsoft.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devel-bounces@linuxdriverproject.org Sender: devel-bounces@linuxdriverproject.org To: gregkh@suse.de, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, virtualization@lists.osdl.org Cc: Haiyang Zhang List-Id: virtualization@lists.linuxfoundation.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