From: K. Y. Srinivasan Date: Sat, 27 Aug 2011 18:31:01 +0000 (-0700) Subject: Staging: hv: storvsc: Do not aquire an unnecessary reference on stor_device X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=bdbc49706be445d0f5c16c0add979d52d01a7b2c;p=deliverable%2Flinux.git Staging: hv: storvsc: Do not aquire an unnecessary reference on stor_device 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c index 8c62829f5993..cd38cd6803eb 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,