linux-kernel - [PATCH 27/77] Staging: hv: vmbus: Cleanup vmbus

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Date:	Thu, 16 Jun 2011 13:17:00 -0700
From:	"K. Y. Srinivasan" <kys@...rosoft.com>
To:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc:	"K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Hank Janssen <hjanssen@...rosoft.com>
Subject: [PATCH 27/77] Staging: hv: vmbus: Cleanup vmbus_match() function

Now, based on the newly introduved id_table, cleanup the 
vmbus_match function. This mechanism will also permit us to handle
multiple device types using a common driver.

Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
---
 drivers/staging/hv/vmbus_drv.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index cbb80ec..0e1a13c 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -250,16 +250,16 @@ static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
  */
 static int vmbus_match(struct device *device, struct device_driver *driver)
 {
-	int match = 0;
 	struct hv_driver *drv = drv_to_hv_drv(driver);
 	struct hv_device *hv_dev = device_to_hv_device(device);
+	const struct hv_vmbus_device_id *id_array = drv->id_table;
 
-	/* We found our driver ? */
-	if (memcmp(&hv_dev->dev_type, &drv->dev_type,
-		   sizeof(struct hv_guid)) == 0)
-		match = 1;
+	for (; *id_array->device_type != '\0'; id_array++) {
+		if (!strcmp(id_array->device_type, hv_dev->device_type))
+			return 1;
+	}
 
-	return match;
+	return 0;
 }
 
 /*
-- 
1.7.4.1

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