lkml.org 
[lkml]   [2019]   [Mar]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] hv: utils: enhance code for human read
Date
The if/else block from hvt_op_open function can be written
as a switch/case block, and the bool issue_reset variable
is avoided.

No functional change made.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Jesús Castro <x51v4n@gmail.com>
---

v2: Refactoring hvt_op_open function with a switch/case block.
Change subject from: fix coding style


drivers/hv/hv_utils_transport.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c
index 832777527936..6b27dd7be9bb 100644
--- a/drivers/hv/hv_utils_transport.c
+++ b/drivers/hv/hv_utils_transport.c
@@ -125,35 +125,35 @@ static int hvt_op_open(struct inode *inode, struct file *file)
{
struct hvutil_transport *hvt;
int ret = 0;
- bool issue_reset = false;

hvt = container_of(file->f_op, struct hvutil_transport, fops);

mutex_lock(&hvt->lock);

- if (hvt->mode == HVUTIL_TRANSPORT_DESTROY) {
- ret = -EBADF;
- } else if (hvt->mode == HVUTIL_TRANSPORT_INIT) {
+ switch (hvt->mode) {
+ case HVUTIL_TRANSPORT_INIT:
/*
* Switching to CHARDEV mode. We switch bach to INIT when
* device gets released.
*/
hvt->mode = HVUTIL_TRANSPORT_CHARDEV;
- }
- else if (hvt->mode == HVUTIL_TRANSPORT_NETLINK) {
+ break;
+ case HVUTIL_TRANSPORT_NETLINK:
/*
* We're switching from netlink communication to using char
* device. Issue the reset first.
*/
- issue_reset = true;
hvt->mode = HVUTIL_TRANSPORT_CHARDEV;
- } else {
+ hvt_reset(hvt);
+ break;
+ case HVUTIL_TRANSPORT_DESTROY:
+ ret = -EBADF;
+ break;
+ default:
ret = -EBUSY;
+ break;
}

- if (issue_reset)
- hvt_reset(hvt);
-
mutex_unlock(&hvt->lock);

return ret;
--
2.21.0
\
 
 \ /
  Last update: 2019-03-12 01:30    [W:0.051 / U:1.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site