[media] saa7146: remove return after BUG()

As reported by smatch:
	drivers/media/common/saa7146/saa7146_fops.c:314 fops_mmap() info: ignoring unreachable code.
	drivers/media/common/saa7146/saa7146_fops.c:402 fops_read() info: ignoring unreachable code.
	drivers/media/common/saa7146/saa7146_fops.c:426 fops_write() info: ignoring unreachable code.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c
index 6c47f3fe9b0f..b7d63933dae6 100644
--- a/drivers/media/common/saa7146/saa7146_fops.c
+++ b/drivers/media/common/saa7146/saa7146_fops.c
@@ -311,7 +311,6 @@ static int fops_mmap(struct file *file, struct vm_area_struct * vma)
                 }
         default:
                 BUG();
-                return 0;
         }
 
         if (mutex_lock_interruptible(vdev->lock))
@@ -399,7 +398,6 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof
                 return -EINVAL;
         default:
                 BUG();
-                return 0;
         }
 }
 
@@ -423,7 +421,6 @@ static ssize_t fops_write(struct file *file, const char __user *data, size_t cou
                 return -EINVAL;
         default:
                 BUG();
-                return -EINVAL;
         }
 }