2011-02-14 18:34:12

by Hank Janssen

Subject: [PATCH] Staging: hv: Use list_entry for msg_info and remove associated comment

Change code to use list_entry api. And removed comment
suggesting that change.

Signed-off-by: Abhishek Kane <[email protected]>
Signed-off-by: K.Y. Srinivasan <[email protected]>
Signed-off-by: Hank Janssen <[email protected]>

---
drivers/staging/hv/channel_mgmt.c | 17 +++++++++--------
1 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c
index a9c9d49..6c497e9 100644
--- a/drivers/staging/hv/channel_mgmt.c
+++ b/drivers/staging/hv/channel_mgmt.c
@@ -580,8 +580,9 @@ static void vmbus_onopen_result(struct vmbus_channel_message_header *hdr)
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);

list_for_each(curr, &vmbus_connection.chn_msg_list) {
-/* FIXME: this should probably use list_entry() instead */
- msginfo = (struct vmbus_channel_msginfo *)curr;
+ msginfo = list_entry(curr, struct vmbus_channel_msginfo,
+ msglistentry);
+
requestheader =
(struct vmbus_channel_message_header *)msginfo->msg;

@@ -628,8 +629,8 @@ static void vmbus_ongpadl_created(struct vmbus_channel_message_header *hdr)
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);

list_for_each(curr, &vmbus_connection.chn_msg_list) {
-/* FIXME: this should probably use list_entry() instead */
- msginfo = (struct vmbus_channel_msginfo *)curr;
+ msginfo = list_entry(curr, struct vmbus_channel_msginfo,
+ msglistentry);
requestheader =
(struct vmbus_channel_message_header *)msginfo->msg;

@@ -676,8 +677,8 @@ static void vmbus_ongpadl_torndown(
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);

list_for_each(curr, &vmbus_connection.chn_msg_list) {
-/* FIXME: this should probably use list_entry() instead */
- msginfo = (struct vmbus_channel_msginfo *)curr;
+ msginfo = list_entry(curr, struct vmbus_channel_msginfo,
+ msglistentry);
requestheader =
(struct vmbus_channel_message_header *)msginfo->msg;

@@ -718,8 +719,8 @@ static void vmbus_onversion_response(
spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);

list_for_each(curr, &vmbus_connection.chn_msg_list) {
-/* FIXME: this should probably use list_entry() instead */
- msginfo = (struct vmbus_channel_msginfo *)curr;
+ msginfo = list_entry(curr, struct vmbus_channel_msginfo,
+ msglistentry);
requestheader =
(struct vmbus_channel_message_header *)msginfo->msg;

--
1.6.0.2

2011-02-14 18:33:54

by Greg KH

Subject: Re: [PATCH] Staging: hv: Use list_entry for msg_info and remove associated comment

On Mon, Feb 14, 2011 at 10:35:37AM -0800, Hank Janssen wrote:
> Change code to use list_entry api. And removed comment
> suggesting that change.
>
> Signed-off-by: Abhishek Kane <[email protected]>
> Signed-off-by: K.Y. Srinivasan <[email protected]>
> Signed-off-by: Hank Janssen <[email protected]>
>
> ---
> drivers/staging/hv/channel_mgmt.c | 17 +++++++++--------
> 1 files changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/staging/hv/channel_mgmt.c b/drivers/staging/hv/channel_mgmt.c
> index a9c9d49..6c497e9 100644
> --- a/drivers/staging/hv/channel_mgmt.c
> +++ b/drivers/staging/hv/channel_mgmt.c
> @@ -580,8 +580,9 @@ static void vmbus_onopen_result(struct vmbus_channel_message_header *hdr)
> spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);
>
> list_for_each(curr, &vmbus_connection.chn_msg_list) {
> -/* FIXME: this should probably use list_entry() instead */
> - msginfo = (struct vmbus_channel_msginfo *)curr;
> + msginfo = list_entry(curr, struct vmbus_channel_msginfo,
> + msglistentry);

How about using list_for_each_entry() instead? That's the "preferred"
way to do things these days, and it saves you an extra line of code :)

thanks,

greg k-h