linux-kernel - [PATCH 05/11] Staging: hv: storvsc: Use the accessor function shost

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Message-Id: <1320771710-29139-5-git-send-email-kys@microsoft.com>
Date:	Tue,  8 Nov 2011 09:01:44 -0800
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org,
	ohering@...e.com, James.Bottomley@...senPartnership.com,
	hch@...radead.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: [PATCH 05/11] Staging: hv: storvsc: Use the accessor function shost_priv()

Use the accessor function shost_priv().

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
---
 drivers/staging/hv/storvsc_drv.c |   14 +++++---------
 1 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index a145245..b21e85f 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -968,8 +968,7 @@ static int storvsc_remove(struct hv_device *dev)
 {
 	struct storvsc_device *stor_device = hv_get_drvdata(dev);
 	struct Scsi_Host *host = stor_device->host;
-	struct hv_host_device *host_dev =
-			(struct hv_host_device *)host->hostdata;
+	struct hv_host_device *host_dev = shost_priv(host);
 
 	scsi_remove_host(host);
 
@@ -1057,8 +1056,7 @@ static int storvsc_host_reset(struct hv_device *device)
  */
 static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
 {
-	struct hv_host_device *host_dev =
-		(struct hv_host_device *)scmnd->device->host->hostdata;
+	struct hv_host_device *host_dev = shost_priv(scmnd->device->host);
 	struct hv_device *dev = host_dev->dev;
 
 	return storvsc_host_reset(dev);
@@ -1073,8 +1071,7 @@ static void storvsc_command_completion(struct hv_storvsc_request *request)
 	struct storvsc_cmd_request *cmd_request =
 		(struct storvsc_cmd_request *)request->context;
 	struct scsi_cmnd *scmnd = cmd_request->cmd;
-	struct hv_host_device *host_dev =
-		(struct hv_host_device *)scmnd->device->host->hostdata;
+	struct hv_host_device *host_dev = shost_priv(scmnd->device->host);
 	void (*scsi_done_fn)(struct scsi_cmnd *);
 	struct scsi_sense_hdr sense_hdr;
 	struct vmscsi_request *vm_srb;
@@ -1144,8 +1141,7 @@ static int storvsc_queuecommand_lck(struct scsi_cmnd *scmnd,
 				void (*done)(struct scsi_cmnd *))
 {
 	int ret;
-	struct hv_host_device *host_dev =
-		(struct hv_host_device *)scmnd->device->host->hostdata;
+	struct hv_host_device *host_dev = shost_priv(scmnd->device->host);
 	struct hv_device *dev = host_dev->dev;
 	struct hv_storvsc_request *request;
 	struct storvsc_cmd_request *cmd_request;
@@ -1359,7 +1355,7 @@ static int storvsc_probe(struct hv_device *device,
 	if (!host)
 		return -ENOMEM;
 
-	host_dev = (struct hv_host_device *)host->hostdata;
+	host_dev = shost_priv(host);
 	memset(host_dev, 0, sizeof(struct hv_host_device));
 
 	host_dev->port = host->host_no;
-- 
1.7.4.1

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