From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@suse.de, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, virtualization@lists.osdl.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>
Subject: [PATCH 01/20] Staging: hv: vmbus: Introduce a utility function to match hv_vmbus_device_id
Date: Tue, 13 Sep 2011 10:59:37 -0700 [thread overview]
Message-ID: <1315936796-20662-1-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1315936759-20623-1-git-send-email-kys@microsoft.com>
Introduce a utility function to match hv_vmbus_device_id.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
---
drivers/staging/hv/vmbus_drv.c | 23 ++++++++++++++++++-----
1 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 375e451..77f4373 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -272,6 +272,22 @@ static inline bool is_null_guid(const __u8 *guid)
return true;
}
+/*
+ * Return a matching hv_vmbus_device_id pointer.
+ * If there is no match, return NULL.
+ */
+static const struct hv_vmbus_device_id *hv_vmbus_get_id(
+ const struct hv_vmbus_device_id *id,
+ __u8 *guid)
+{
+ for (; !is_null_guid(id->guid); id++)
+ if (!memcmp(&id->guid, guid, sizeof(uuid_le)))
+ return id;
+
+ return NULL;
+}
+
+
/*
* vmbus_match - Attempt to match the specified device to the specified driver
@@ -280,12 +296,9 @@ static int vmbus_match(struct device *device, struct device_driver *driver)
{
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;
- for (; !is_null_guid(id_array->guid); id_array++)
- if (!memcmp(&id_array->guid, &hv_dev->dev_type.b,
- sizeof(uuid_le)))
- return 1;
+ if (hv_vmbus_get_id(drv->id_table, hv_dev->dev_type.b))
+ return 1;
return 0;
}
--
1.7.4.1
next prev parent reply other threads:[~2011-09-13 17:38 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-13 17:59 [PATCH 0000/0020] Staging: hv: Driver cleanup K. Y. Srinivasan
2011-09-13 17:59 ` K. Y. Srinivasan [this message]
2011-09-13 17:59 ` [PATCH 02/20] Staging: hv: vmbus: Change the signature of struct hv_driver probe function K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 03/20] Staging: hv: storvsc: Use the driver_data to identify ide K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 04/20] Staging: hv: vmbus: Introduce functions for setting and getting driver data K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 05/20] Staging: hv: util: Perform some service specific init/deinit in probe/remove K. Y. Srinivasan
2011-09-16 18:01 ` Greg KH
2011-09-13 17:59 ` [PATCH 06/20] Staging: hv: util: Properly handle util services in the util driver K. Y. Srinivasan
2011-09-15 20:08 ` Dan Carpenter
2011-09-15 20:24 ` KY Srinivasan
2011-09-16 18:03 ` Greg KH
2011-09-17 13:26 ` KY Srinivasan
2011-09-13 17:59 ` [PATCH 07/20] Staging: hv: vmbus: Get rid of hv_cb_utils[] and other unneeded code K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 08/20] Staging: hv: vmbus: Cleanup vmbus_remove() K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 09/20] Staging: hv: storvsc: Get rid of storvsc_dev_add() by inlining the code K. Y. Srinivasan
2011-09-13 18:39 ` Christoph Hellwig
2011-09-13 18:52 ` KY Srinivasan
2011-09-13 17:59 ` [PATCH 10/20] Staging: hv: storvsc: Get rid of alloc_stor_device() " K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 11/20] Staging: hv: storvsc: Get rid of some unnecessary state and definitions K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 12/20] Staging: hv: storvsc: Eliminate the usage of ext field in struct hv_device K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 13/20] Staging: hv: netvsc: Get rid of the usage of the " K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 14/20] Staging: hv: mousevsc: " K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 15/20] Staging: hv: vmbus: Get rid " K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 16/20] Staging: hv: vmbus: Do not allocate struct hv_device_info on the stack K. Y. Srinivasan
2011-09-13 18:41 ` Christoph Hellwig
2011-09-13 17:59 ` [PATCH 17/20] Staging: hv: vmbus: Get rid of the module dependency K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 18/20] Staging: hv: netvsc: Rename netDevice as net_device K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 19/20] Staging: hv: netvsc: Rename rndisDevice to rndis_device K. Y. Srinivasan
2011-09-13 17:59 ` [PATCH 20/20] Staging: hv: netvsc: Rename deviceInfo as device_info K. Y. Srinivasan
2011-09-13 18:10 ` Joe Perches
2011-09-13 18:15 ` KY Srinivasan
2011-09-16 18:07 ` [PATCH 0000/0020] Staging: hv: Driver cleanup Greg KH
2011-09-17 13:26 ` KY Srinivasan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1315936796-20662-1-git-send-email-kys@microsoft.com \
--to=kys@microsoft.com \
--cc=devel@linuxdriverproject.org \
--cc=gregkh@suse.de \
--cc=haiyangz@microsoft.com \
--cc=linux-kernel@vger.kernel.org \
--cc=virtualization@lists.osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox