diff options
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index c862ad732d9e..b8579ee68bd6 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -1934,15 +1934,13 @@ static int dvb_frontend_ioctl_properties(struct file *file, struct dtv_frontend_properties *c = &fe->dtv_property_cache; int err = 0; - struct dtv_properties *tvps = NULL; + struct dtv_properties *tvps = parg; struct dtv_property *tvp = NULL; int i; dev_dbg(fe->dvb->device, "%s:\n", __func__); - if(cmd == FE_SET_PROPERTY) { - tvps = (struct dtv_properties __user *)parg; - + if (cmd == FE_SET_PROPERTY) { dev_dbg(fe->dvb->device, "%s: properties.num = %d\n", __func__, tvps->num); dev_dbg(fe->dvb->device, "%s: properties.props = %p\n", __func__, tvps->props); @@ -1957,7 +1955,8 @@ static int dvb_frontend_ioctl_properties(struct file *file, goto out; } - if (copy_from_user(tvp, tvps->props, tvps->num * sizeof(struct dtv_property))) { + if (copy_from_user(tvp, (void __user *)tvps->props, + tvps->num * sizeof(struct dtv_property))) { err = -EFAULT; goto out; } @@ -1972,10 +1971,7 @@ static int dvb_frontend_ioctl_properties(struct file *file, if (c->state == DTV_TUNE) dev_dbg(fe->dvb->device, "%s: Property cache is full, tuning\n", __func__); - } else - if(cmd == FE_GET_PROPERTY) { - tvps = (struct dtv_properties __user *)parg; - + } else if (cmd == FE_GET_PROPERTY) { dev_dbg(fe->dvb->device, "%s: properties.num = %d\n", __func__, tvps->num); dev_dbg(fe->dvb->device, "%s: properties.props = %p\n", __func__, tvps->props); @@ -1990,7 +1986,8 @@ static int dvb_frontend_ioctl_properties(struct file *file, goto out; } - if (copy_from_user(tvp, tvps->props, tvps->num * sizeof(struct dtv_property))) { + if (copy_from_user(tvp, (void __user *)tvps->props, + tvps->num * sizeof(struct dtv_property))) { err = -EFAULT; goto out; } @@ -2012,7 +2009,8 @@ static int dvb_frontend_ioctl_properties(struct file *file, (tvp + i)->result = err; } - if (copy_to_user(tvps->props, tvp, tvps->num * sizeof(struct dtv_property))) { + if (copy_to_user((void __user *)tvps->props, tvp, + tvps->num * sizeof(struct dtv_property))) { err = -EFAULT; goto out; } |