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media: zr364xx: remove redundant assigmnent to idx, clean up code 

The variable cable_type is being initialized with a value that
is never read and is being re-assigned a little later on. Replace
the redundant initializtion with the assignment that occurs a little
later. Also initialize frm too rather than have a later assignment.

Addresses-Coverity: ("Unused value")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Colin Ian King 2019-10-25 15:46:12 +02:00 committed by Mauro Carvalho Chehab
parent 4edead77fa
commit 1dea68495d
1 changed files with 2 additions and 4 deletions
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6
drivers/media/usb/zr364xx/zr364xx.c
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@ -555,14 +555,12 @@ static int zr364xx_read_video_callback(struct zr364xx_camera *cam,
{
unsigned char *pdest;
unsigned char *psrc;
s32 idx = -1;
struct zr364xx_framei *frm;
s32 idx = cam->cur_frame;
struct zr364xx_framei *frm = &cam->buffer.frame[idx];
int i = 0;
unsigned char *ptr = NULL;
_DBG("buffer to user\n");
idx = cam->cur_frame;
frm = &cam->buffer.frame[idx];
/* swap bytes if camera needs it */
if (cam->method == METHOD0) {