V4L/DVB: drivers/media: Correct NULL test

In each case, the NULL test has been performed already.

A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@r@
expression *x;
expression e;
identifier l;
@@

if (x == NULL || ...) {
    ... when forall
    return ...; }
... when != goto l;
    when != x = e
    when != &x
*x == NULL
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/media/video/cpia.c b/drivers/media/video/cpia.c
index 551ddf216a4b..933ae4c8cb9a 100644
--- a/drivers/media/video/cpia.c
+++ b/drivers/media/video/cpia.c
@@ -3737,9 +3737,6 @@ static int cpia_mmap(struct file *file, struct vm_area_struct *vma)
         if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE)
                 return -EINVAL;
 
-        if (!cam || !cam->ops)
-                return -ENODEV;
-
         /* make this _really_ smp-safe */
         if (mutex_lock_interruptible(&cam->busy_lock))
                 return -EINTR;