media: dvb_frontend: add proper __user annotations

Solves those warnings:
	drivers/media/dvb-core/dvb_frontend.c:2297:39: warning: incorrect type in argument 1 (different address spaces)
	drivers/media/dvb-core/dvb_frontend.c:2297:39:    expected void const [noderef] <asn:1>*<noident>
	drivers/media/dvb-core/dvb_frontend.c:2297:39:    got struct dtv_property *props
	drivers/media/dvb-core/dvb_frontend.c:2331:39: warning: incorrect type in argument 1 (different address spaces)
	drivers/media/dvb-core/dvb_frontend.c:2331:39:    expected void const [noderef] <asn:1>*<noident>
	drivers/media/dvb-core/dvb_frontend.c:2331:39:    got struct dtv_property *props

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2018-03-22 11:40:15 -04:00
parent a23deac60a
commit f44d6107f8

View File

@ -2294,7 +2294,7 @@ static int dvb_frontend_handle_ioctl(struct file *file,
if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS))
return -EINVAL;
tvp = memdup_user(tvps->props, tvps->num * sizeof(*tvp));
tvp = memdup_user((void __user *)tvps->props, tvps->num * sizeof(*tvp));
if (IS_ERR(tvp))
return PTR_ERR(tvp);
@ -2328,7 +2328,7 @@ static int dvb_frontend_handle_ioctl(struct file *file,
if (!tvps->num || (tvps->num > DTV_IOCTL_MAX_MSGS))
return -EINVAL;
tvp = memdup_user(tvps->props, tvps->num * sizeof(*tvp));
tvp = memdup_user((void __user *)tvps->props, tvps->num * sizeof(*tvp));
if (IS_ERR(tvp))
return PTR_ERR(tvp);