On Tue, 2019-03-05 at 17:45 -0600, Jesús Castro wrote:
> Checkpatch script is showing a coding style error and is showing:
>
> ERROR: else should follow close brace '}'
> + }
> + else if (hvt->mode == HVUTIL_TRANSPORT_NETLINK) {
>
> This commit fixes the coding style, not a functional change.
[]
> diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c
[]
> @@ -139,8 +139,7 @@ static int hvt_op_open(struct inode *inode, struct file
> *file)
> * device gets released.
> */
> hvt->mode = HVUTIL_TRANSPORT_CHARDEV;
> - }
> - else if (hvt->mode == HVUTIL_TRANSPORT_NETLINK) {
> + } else if (hvt->mode == HVUTIL_TRANSPORT_NETLINK) {
> /*
> * We're switching from netlink communication to using char
> * device. Issue the reset first.
Rather than merely shutting up checkpatch warnings,
please try to improve the code for humans to read.
This block is probably better as a switch/case and
the separate bool issue_reset automatic seems
unnecessary as it's only used in one case.
Perhaps:
---
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;
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