[PATCH -next] char: xilinx_hwicap: use DEFINE_MUTEX() for mutex lock

[Ye Bin]

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

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Ye Bin <yebi...@huawei.com>
---
 drivers/char/xilinx_hwicap/xilinx_hwicap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c 
b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 067396bedf22..4d586233dfa4 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -111,7 +111,7 @@
 /* An array, which is set to true when the device is registered. */
 static DEFINE_MUTEX(hwicap_mutex);
 static bool probed_devices[HWICAP_DEVICES];
-static struct mutex icap_sem;
+static DEFINE_MUTEX(icap_sem);
 
 static struct class *icap_class;
 
@@ -857,7 +857,6 @@ static int __init hwicap_module_init(void)
        int retval;
 
        icap_class = class_create(THIS_MODULE, "xilinx_config");
-       mutex_init(&icap_sem);
 
        devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR);
        retval = register_chrdev_region(devt,