Commit 1790f2be authored by Zheng Yongjun's avatar Zheng Yongjun Committed by Greg Kroah-Hartman
Browse files

staging: vc04_services: use DEFINE_MUTEX() for mutex lock 



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

Signed-off-by: default avatarZheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201224132528.31558-1-zhengyongjun3@huawei.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6abeae2a

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c

+1 −2
Original line number Diff line number Diff line
@@ -12,13 +12,12 @@ static int g_connected; 
static   int                        g_num_deferred_callbacks;

static   VCHIQ_CONNECTED_CALLBACK_T g_deferred_callback[MAX_CALLBACKS];

static   int                        g_once_init;

static   struct mutex               g_connected_mutex;

static   DEFINE_MUTEX(g_connected_mutex);



/* Function to initialize our lock */

static void connected_init(void)

{

	if (!g_once_init) {

		mutex_init(&g_connected_mutex);

		g_once_init = 1;

	}

}