[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: Mauro Carvalho Chehab <m.chehab@samsung.com>

2 files changed, 2 insertions, 5 deletions

diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 750bdab8aacb..4a8176c09fc9 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -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;
 }
 
 /* ----------------------------------------------------------------------- */
diff --git a/drivers/media/pci/bt8xx/dst_ca.c b/drivers/media/pci/bt8xx/dst_ca.c
index 0e788fca992c..c22c4ae06844 100644
--- a/drivers/media/pci/bt8xx/dst_ca.c
+++ b/drivers/media/pci/bt8xx/dst_ca.c
@@ -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)