diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_ioc32.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_ioc32.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c index e869daf9c8a9..33348960f623 100644 --- a/drivers/gpu/drm/i915/i915_ioc32.c +++ b/drivers/gpu/drm/i915/i915_ioc32.c @@ -28,9 +28,11 @@ */ #include <linux/compat.h> -#include <drm/drmP.h> -#include <drm/i915_drm.h> +#include <drm/drm_ioctl.h> + #include "i915_drv.h" +#include "i915_getparam.h" +#include "i915_ioc32.h" struct drm_i915_getparam32 { s32 param; @@ -46,20 +48,16 @@ static int compat_i915_getparam(struct file *file, unsigned int cmd, unsigned long arg) { struct drm_i915_getparam32 req32; - drm_i915_getparam_t __user *request; + struct drm_i915_getparam req; if (copy_from_user(&req32, (void __user *)arg, sizeof(req32))) return -EFAULT; - request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(request, sizeof(*request)) || - __put_user(req32.param, &request->param) || - __put_user((void __user *)(unsigned long)req32.value, - &request->value)) - return -EFAULT; + req.param = req32.param; + req.value = compat_ptr(req32.value); - return drm_ioctl(file, DRM_IOCTL_I915_GETPARAM, - (unsigned long)request); + return drm_ioctl_kernel(file, i915_getparam_ioctl, &req, + DRM_RENDER_ALLOW); } static drm_ioctl_compat_t *i915_compat_ioctls[] = { @@ -67,7 +65,7 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = { }; /** - * i915_compat_ioctl - handle the mistakes of the past + * i915_ioc32_compat_ioctl - handle the mistakes of the past * @filp: the file pointer * @cmd: the ioctl command (and encoded flags) * @arg: the ioctl argument (from userspace) @@ -75,7 +73,7 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = { * Called whenever a 32-bit process running under a 64-bit kernel * performs an ioctl on /dev/dri/card<n>. */ -long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +long i915_ioc32_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { unsigned int nr = DRM_IOCTL_NR(cmd); drm_ioctl_compat_t *fn = NULL; |