提交 a896dc7a 编写于 作者: M Mauro Carvalho Chehab

[media] bt8xx: just return 0 instead of using a var

Instead of allocating a var to store 0 and just return it,
change the code to return 0 directly.
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>
上级 8b37c645
......@@ -1531,7 +1531,6 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
{
struct bttv_buffer *old;
unsigned long flags;
int retval = 0;
dprintk("switch_overlay: enter [new=%p]\n", new);
if (new)
......@@ -1551,7 +1550,7 @@ bttv_switch_overlay(struct bttv *btv, struct bttv_fh *fh,
if (NULL == new)
free_btres_lock(btv,fh,RESOURCE_OVERLAY);
dprintk("switch_overlay: done\n");
return retval;
return 0;
}
/* ----------------------------------------------------------------------- */
......
......@@ -674,11 +674,9 @@ static int dst_ca_release(struct inode *inode, struct file *file)
static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
{
ssize_t bytes_read = 0;
dprintk(verbose, DST_CA_DEBUG, 1, " Device read.");
return bytes_read;
return 0;
}
static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
......
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