fbdev: udlfb: remove unneeded initialization in few places

Small minor cleanup.
This patch removes unneeded initializations of variables
in few places in different functions and one empty line.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index ff2b8731a2dc6781d1aacb747609cb1a31f05223..e9c2f7ba3c8e6c34382b6b0b58a7d65e41e8292d 100644 (file)
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -279,7 +279,7 @@ static int dlfb_set_video_mode(struct dlfb_data *dev,
 {
        char *buf;
        char *wrptr;
-       int retval = 0;
+       int retval;
        int writesize;
        struct urb *urb;
 
@@ -1505,8 +1505,7 @@ static int dlfb_parse_vendor_descriptor(struct dlfb_data *dev,
        char *desc;
        char *buf;
        char *desc_end;
-
-       int total_len = 0;
+       int total_len;
 
        buf = kzalloc(MAX_VENDOR_DESCRIPTOR_SIZE, GFP_KERNEL);
        if (!buf)
@@ -1582,7 +1581,7 @@ static int dlfb_usb_probe(struct usb_interface *interface,
                        const struct usb_device_id *id)
 {
        struct usb_device *usbdev;
-       struct dlfb_data *dev = NULL;
+       struct dlfb_data *dev;
        int retval = -ENOMEM;
 
        /* usb initialization */
@@ -1665,7 +1664,6 @@ static void dlfb_init_framebuffer_work(struct work_struct *work)
        /* allocates framebuffer driver structure, not framebuffer memory */
        info = framebuffer_alloc(0, dev->gdev);
        if (!info) {
-               retval = -ENOMEM;
                pr_err("framebuffer_alloc failed\n");
                goto error;
        }
@@ -1912,7 +1910,7 @@ static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size)
 
 static struct urb *dlfb_get_urb(struct dlfb_data *dev)
 {
-       int ret = 0;
+       int ret;
        struct list_head *entry;
        struct urb_node *unode;
        struct urb *urb = NULL;