[PATCH 8/9] usb: gadget: rndis: use list_for_each_entry_safe

From: Geliang Tang
Date: Fri Dec 18 2015 - 11:36:55 EST


Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.

Signed-off-by: Geliang Tang <geliangtang@xxxxxxx>
---
drivers/usb/gadget/function/rndis.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c
index 70d3917..34a76db 100644
--- a/drivers/usb/gadget/function/rndis.c
+++ b/drivers/usb/gadget/function/rndis.c
@@ -914,7 +914,7 @@ struct rndis_params *rndis_register(void (*resp_avail)(void *v), void *v)
params->media_state = RNDIS_MEDIA_STATE_DISCONNECTED;
params->resp_avail = resp_avail;
params->v = v;
- INIT_LIST_HEAD(&(params->resp_queue));
+ INIT_LIST_HEAD(&params->resp_queue);
pr_debug("%s: configNr = %d\n", __func__, i);

return params;
@@ -1006,12 +1006,9 @@ EXPORT_SYMBOL_GPL(rndis_add_hdr);

void rndis_free_response(struct rndis_params *params, u8 *buf)
{
- rndis_resp_t *r;
- struct list_head *act, *tmp;
+ rndis_resp_t *r, *n;

- list_for_each_safe(act, tmp, &(params->resp_queue))
- {
- r = list_entry(act, rndis_resp_t, list);
+ list_for_each_entry_safe(r, n, &params->resp_queue, list) {
if (r && r->buf == buf) {
list_del(&r->list);
kfree(r);
@@ -1022,14 +1019,11 @@ EXPORT_SYMBOL_GPL(rndis_free_response);

u8 *rndis_get_next_response(struct rndis_params *params, u32 *length)
{
- rndis_resp_t *r;
- struct list_head *act, *tmp;
+ rndis_resp_t *r, *n;

if (!length) return NULL;

- list_for_each_safe(act, tmp, &(params->resp_queue))
- {
- r = list_entry(act, rndis_resp_t, list);
+ list_for_each_entry_safe(r, n, &params->resp_queue, list) {
if (!r->send) {
r->send = 1;
*length = r->length;
@@ -1053,7 +1047,7 @@ static rndis_resp_t *rndis_add_response(struct rndis_params *params, u32 length)
r->length = length;
r->send = 0;

- list_add_tail(&r->list, &(params->resp_queue));
+ list_add_tail(&r->list, &params->resp_queue);
return r;
}

--
2.5.0


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