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staging: most: remove reference counter 

This patch removes the unnecessary reference conter mod_ref.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2015-12-22 10:52:57 +01:00 committed by Greg Kroah-Hartman
parent 6ed90e3622
commit 9cda3007ab
1 changed files with 1 additions and 12 deletions
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13
drivers/staging/most/mostcore/core.c
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@ -35,7 +35,6 @@
static struct class *most_class;
static struct device *class_glue_dir;
static struct ida mdev_id;
static int modref;
static int dummy_num_buffers;
struct most_c_aim_obj {
@ -1508,7 +1507,6 @@ int most_start_channel(struct most_interface *iface, int id,
mutex_unlock(&c->start_mutex);
return -ENOLCK;
}
modref++;
c->cfg.extra_len = 0;
if (c->iface->configure(c->iface, c->channel_id, &c->cfg)) {
@ -1550,7 +1548,6 @@ out:
error:
module_put(iface->mod);
modref--;
mutex_unlock(&c->start_mutex);
return ret;
}
@ -1584,10 +1581,8 @@ int most_stop_channel(struct most_interface *iface, int id,
c->hdm_enqueue_task = NULL;
mutex_unlock(&c->stop_task_mutex);
if (iface->mod && modref) {
if (iface->mod)
module_put(iface->mod);
modref--;
}
c->is_poisoned = true;
if (c->iface->poison_channel(c->iface, c->channel_id)) {
@ -1808,12 +1803,6 @@ void most_deregister_interface(struct most_interface *iface)
c->aim1.ptr = NULL;
}
while (modref) {
if (iface->mod && modref)
module_put(iface->mod);
modref--;
}
list_for_each_entry(c, &i->channel_list, list) {
if (c->aim0.refs + c->aim1.refs <= 0)
continue;