[PATCH v2 -next] staging: most: net: use DEFINE_MUTEX() for mutex lock

From: Zheng Yongjun
Date: Thu Dec 24 2020 - 08:26:09 EST


mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@xxxxxxxxxx>
---
drivers/staging/most/net/net.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/most/net/net.c b/drivers/staging/most/net/net.c
index b6fecb06a0e6..f125bb6da406 100644
--- a/drivers/staging/most/net/net.c
+++ b/drivers/staging/most/net/net.c
@@ -68,7 +68,7 @@ struct net_dev_context {
};

static struct list_head net_devices = LIST_HEAD_INIT(net_devices);
-static struct mutex probe_disc_mt; /* ch->linked = true, most_nd_open */
+static DEFINE_MUTEX(probe_disc_mt); /* ch->linked = true, most_nd_open */
static DEFINE_SPINLOCK(list_lock); /* list_head, ch->linked = false, dev_hold */
static struct most_component comp;

@@ -520,7 +520,6 @@ static int __init most_net_init(void)
{
int err;

- mutex_init(&probe_disc_mt);
err = most_register_component(&comp);
if (err)
return err;
--
2.22.0