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[media] saa7146: make saa7146_use_ops const

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Make these const as they are not modified in the file referencing them.
They are only used when their function pointer fields invokes a
function and therefore none of the structure fields are getting modified.
Also, add a const to the declaration in the header.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Bhumika Goyal 2017-09-13 16:37:50 -03:00 committed by Mauro Carvalho Chehab
parent 022565200a
commit ad62701720
3 changed files with 4 additions and 4 deletions
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2
drivers/media/common/saa7146/saa7146_vbi.c
View File

@ -488,7 +488,7 @@ static ssize_t vbi_read(struct file *file, char __user *data, size_t count, loff
return ret;
}
struct saa7146_use_ops saa7146_vbi_uops = {
const struct saa7146_use_ops saa7146_vbi_uops = {
.init = vbi_init,
.open = vbi_open,
.release = vbi_close,

2
drivers/media/common/saa7146/saa7146_video.c
View File

@ -1303,7 +1303,7 @@ static ssize_t video_read(struct file *file, char __user *data, size_t count, lo
return ret;
}
struct saa7146_use_ops saa7146_video_uops = {
const struct saa7146_use_ops saa7146_video_uops = {
.init = video_init,
.open = video_open,
.release = video_close,

4
include/media/drv-intf/saa7146_vv.h
View File

@ -202,14 +202,14 @@ void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);
/* from saa7146_video.c */
extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops;
extern const struct v4l2_ioctl_ops saa7146_vbi_ioctl_ops;
extern struct saa7146_use_ops saa7146_video_uops;
extern const struct saa7146_use_ops saa7146_video_uops;
int saa7146_start_preview(struct saa7146_fh *fh);
int saa7146_stop_preview(struct saa7146_fh *fh);
long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg);
int saa7146_s_ctrl(struct v4l2_ctrl *ctrl);
/* from saa7146_vbi.c */
extern struct saa7146_use_ops saa7146_vbi_uops;
extern const struct saa7146_use_ops saa7146_vbi_uops;
/* resource management functions */
int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);