[PATCH 02/46] Staging: hv: storvsc: Do not aquire an unnecessary reference on stor_device
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2011-08-27 18:12:49
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
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 <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- 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,
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1.7.4.1