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authorAl Viro <viro@zeniv.linux.org.uk>2017-09-29 20:42:35 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-09-29 20:42:35 +0300
commit2ff7cfe9985617d34c2166b529e7e54beac11175 (patch)
tree81d6d8beb2f6c81de2604784bad3d068e79e0d87 /drivers/gpu/drm/r128
parent2a479aa83bd6d55bfc20b07d85e5d19a84f292f7 (diff)
downloadlinux-2ff7cfe9985617d34c2166b529e7e54beac11175.tar.xz
r128: switch compat ioctls to drm_ioctl_kernel()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/gpu/drm/r128')
-rw-r--r--drivers/gpu/drm/r128/r128_drv.h4
-rw-r--r--drivers/gpu/drm/r128/r128_ioc32.c99
-rw-r--r--drivers/gpu/drm/r128/r128_state.c6
3 files changed, 48 insertions, 61 deletions
diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h
index 09143b840482..2de40d276116 100644
--- a/drivers/gpu/drm/r128/r128_drv.h
+++ b/drivers/gpu/drm/r128/r128_drv.h
@@ -147,6 +147,10 @@ extern int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file
extern int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv);
extern int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv);
+extern int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv);
+extern int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv);
+extern int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv);
+
extern void r128_freelist_reset(struct drm_device *dev);
extern int r128_wait_ring(drm_r128_private_t *dev_priv, int n);
diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c
index 663f38c63ba6..6589f9e0310e 100644
--- a/drivers/gpu/drm/r128/r128_ioc32.c
+++ b/drivers/gpu/drm/r128/r128_ioc32.c
@@ -63,39 +63,36 @@ static int compat_r128_init(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_r128_init32_t init32;
- drm_r128_init_t __user *init;
+ drm_r128_init_t init;
if (copy_from_user(&init32, (void __user *)arg, sizeof(init32)))
return -EFAULT;
- init = compat_alloc_user_space(sizeof(*init));
- if (!access_ok(VERIFY_WRITE, init, sizeof(*init))
- || __put_user(init32.func, &init->func)
- || __put_user(init32.sarea_priv_offset, &init->sarea_priv_offset)
- || __put_user(init32.is_pci, &init->is_pci)
- || __put_user(init32.cce_mode, &init->cce_mode)
- || __put_user(init32.cce_secure, &init->cce_secure)
- || __put_user(init32.ring_size, &init->ring_size)
- || __put_user(init32.usec_timeout, &init->usec_timeout)
- || __put_user(init32.fb_bpp, &init->fb_bpp)
- || __put_user(init32.front_offset, &init->front_offset)
- || __put_user(init32.front_pitch, &init->front_pitch)
- || __put_user(init32.back_offset, &init->back_offset)
- || __put_user(init32.back_pitch, &init->back_pitch)
- || __put_user(init32.depth_bpp, &init->depth_bpp)
- || __put_user(init32.depth_offset, &init->depth_offset)
- || __put_user(init32.depth_pitch, &init->depth_pitch)
- || __put_user(init32.span_offset, &init->span_offset)
- || __put_user(init32.fb_offset, &init->fb_offset)
- || __put_user(init32.mmio_offset, &init->mmio_offset)
- || __put_user(init32.ring_offset, &init->ring_offset)
- || __put_user(init32.ring_rptr_offset, &init->ring_rptr_offset)
- || __put_user(init32.buffers_offset, &init->buffers_offset)
- || __put_user(init32.agp_textures_offset,
- &init->agp_textures_offset))
- return -EFAULT;
-
- return drm_ioctl(file, DRM_IOCTL_R128_INIT, (unsigned long)init);
+ init.func = init32.func;
+ init.sarea_priv_offset = init32.sarea_priv_offset;
+ init.is_pci = init32.is_pci;
+ init.cce_mode = init32.cce_mode;
+ init.cce_secure = init32.cce_secure;
+ init.ring_size = init32.ring_size;
+ init.usec_timeout = init32.usec_timeout;
+ init.fb_bpp = init32.fb_bpp;
+ init.front_offset = init32.front_offset;
+ init.front_pitch = init32.front_pitch;
+ init.back_offset = init32.back_offset;
+ init.back_pitch = init32.back_pitch;
+ init.depth_bpp = init32.depth_bpp;
+ init.depth_offset = init32.depth_offset;
+ init.depth_pitch = init32.depth_pitch;
+ init.span_offset = init32.span_offset;
+ init.fb_offset = init32.fb_offset;
+ init.mmio_offset = init32.mmio_offset;
+ init.ring_offset = init32.ring_offset;
+ init.ring_rptr_offset = init32.ring_rptr_offset;
+ init.buffers_offset = init32.buffers_offset;
+ init.agp_textures_offset = init32.agp_textures_offset;
+
+ return drm_ioctl_kernel(file, r128_cce_init, &init,
+ DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY);
}
typedef struct drm_r128_depth32 {
@@ -111,25 +108,19 @@ static int compat_r128_depth(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_r128_depth32_t depth32;
- drm_r128_depth_t __user *depth;
+ drm_r128_depth_t depth;
if (copy_from_user(&depth32, (void __user *)arg, sizeof(depth32)))
return -EFAULT;
- depth = compat_alloc_user_space(sizeof(*depth));
- if (!access_ok(VERIFY_WRITE, depth, sizeof(*depth))
- || __put_user(depth32.func, &depth->func)
- || __put_user(depth32.n, &depth->n)
- || __put_user((int __user *)(unsigned long)depth32.x, &depth->x)
- || __put_user((int __user *)(unsigned long)depth32.y, &depth->y)
- || __put_user((unsigned int __user *)(unsigned long)depth32.buffer,
- &depth->buffer)
- || __put_user((unsigned char __user *)(unsigned long)depth32.mask,
- &depth->mask))
- return -EFAULT;
-
- return drm_ioctl(file, DRM_IOCTL_R128_DEPTH, (unsigned long)depth);
+ depth.func = depth32.func;
+ depth.n = depth32.n;
+ depth.x = compat_ptr(depth32.x);
+ depth.y = compat_ptr(depth32.y);
+ depth.buffer = compat_ptr(depth32.buffer);
+ depth.mask = compat_ptr(depth32.mask);
+ return drm_ioctl_kernel(file, r128_cce_depth, &depth, DRM_AUTH);
}
typedef struct drm_r128_stipple32 {
@@ -140,18 +131,14 @@ static int compat_r128_stipple(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_r128_stipple32_t stipple32;
- drm_r128_stipple_t __user *stipple;
+ drm_r128_stipple_t stipple;
if (copy_from_user(&stipple32, (void __user *)arg, sizeof(stipple32)))
return -EFAULT;
- stipple = compat_alloc_user_space(sizeof(*stipple));
- if (!access_ok(VERIFY_WRITE, stipple, sizeof(*stipple))
- || __put_user((unsigned int __user *)(unsigned long)stipple32.mask,
- &stipple->mask))
- return -EFAULT;
+ stipple.mask = compat_ptr(stipple32.mask);
- return drm_ioctl(file, DRM_IOCTL_R128_STIPPLE, (unsigned long)stipple);
+ return drm_ioctl_kernel(file, r128_cce_stipple, &stipple, DRM_AUTH);
}
typedef struct drm_r128_getparam32 {
@@ -163,19 +150,15 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd,
unsigned long arg)
{
drm_r128_getparam32_t getparam32;
- drm_r128_getparam_t __user *getparam;
+ drm_r128_getparam_t getparam;
if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32)))
return -EFAULT;
- getparam = compat_alloc_user_space(sizeof(*getparam));
- if (!access_ok(VERIFY_WRITE, getparam, sizeof(*getparam))
- || __put_user(getparam32.param, &getparam->param)
- || __put_user((void __user *)(unsigned long)getparam32.value,
- &getparam->value))
- return -EFAULT;
+ getparam.param = getparam32.param;
+ getparam.value = compat_ptr(getparam32.value);
- return drm_ioctl(file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam);
+ return drm_ioctl_kernel(file, r128_getparam, &getparam, DRM_AUTH);
}
drm_ioctl_compat_t *r128_compat_ioctls[] = {
diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c
index 8fd2d9f58f77..8fdc56c1c953 100644
--- a/drivers/gpu/drm/r128/r128_state.c
+++ b/drivers/gpu/drm/r128/r128_state.c
@@ -1460,7 +1460,7 @@ static int r128_cce_blit(struct drm_device *dev, void *data, struct drm_file *fi
return ret;
}
-static int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv)
+int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_depth_t *depth = data;
@@ -1492,7 +1492,7 @@ static int r128_cce_depth(struct drm_device *dev, void *data, struct drm_file *f
return ret;
}
-static int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
+int r128_cce_stipple(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_stipple_t *stipple = data;
@@ -1582,7 +1582,7 @@ static int r128_cce_indirect(struct drm_device *dev, void *data, struct drm_file
return 0;
}
-static int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
+int r128_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_r128_private_t *dev_priv = dev->dev_private;
drm_r128_getparam_t *param = data;