linux-kernel - [PATCH] media: siano: use DEFINE

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Date:   Tue, 6 Apr 2021 01:52:19 +0500
From:   Muhammad Usama Anjum <musamaanjum@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        "open list:SIANO DVB DRIVER" <linux-media@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        zhengyongjun3@...wei.com, kernel-janitors@...r.kernel.org,
        colin.king@...onical.com, dan.carpenter@...cle.com
Cc:     musamaanjum@...il.com
Subject: [PATCH] media: siano: use DEFINE_MUTEX() for mutex lock

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

Signed-off-by: Muhammad Usama Anjum <musamaanjum@...il.com>
---
 drivers/media/common/siano/smscoreapi.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
index 410cc3ac6f94..7f5b638d2458 100644
--- a/drivers/media/common/siano/smscoreapi.c
+++ b/drivers/media/common/siano/smscoreapi.c
@@ -414,10 +414,10 @@ struct smscore_registry_entry_t {
 
 static struct list_head g_smscore_notifyees;
 static struct list_head g_smscore_devices;
-static struct mutex g_smscore_deviceslock;
+static DEFINE_MUTEX(g_smscore_deviceslock);
 
 static struct list_head g_smscore_registry;
-static struct mutex g_smscore_registrylock;
+static DEFINE_MUTEX(g_smscore_registrylock);
 
 static int default_mode = DEVICE_MODE_NONE;
 
@@ -2123,10 +2123,7 @@ static int __init smscore_module_init(void)
 {
 	INIT_LIST_HEAD(&g_smscore_notifyees);
 	INIT_LIST_HEAD(&g_smscore_devices);
-	mutex_init(&g_smscore_deviceslock);
-
 	INIT_LIST_HEAD(&g_smscore_registry);
-	mutex_init(&g_smscore_registrylock);
 
 	return 0;
 }
-- 
2.25.1