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path: root/drivers/gpu/drm/drm_drv.c
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Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r--drivers/gpu/drm/drm_drv.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 8d4f29075af5..9cc247f55502 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -57,7 +57,7 @@ static int drm_version(struct drm_device *dev, void *data,
struct drm_file *file_priv);
#define DRM_IOCTL_DEF(ioctl, _func, _flags) \
- [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0}
+ [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, .cmd_drv = 0, .name = #ioctl}
/** Ioctl table */
static const struct drm_ioctl_desc drm_ioctls[] = {
@@ -375,7 +375,7 @@ long drm_ioctl(struct file *filp,
{
struct drm_file *file_priv = filp->private_data;
struct drm_device *dev;
- const struct drm_ioctl_desc *ioctl;
+ const struct drm_ioctl_desc *ioctl = NULL;
drm_ioctl_t *func;
unsigned int nr = DRM_IOCTL_NR(cmd);
int retcode = -EINVAL;
@@ -392,11 +392,6 @@ long drm_ioctl(struct file *filp,
atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]);
++file_priv->ioctl_count;
- DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n",
- task_pid_nr(current), cmd, nr,
- (long)old_encode_dev(file_priv->minor->device),
- file_priv->authenticated);
-
if ((nr >= DRM_CORE_IOCTL_COUNT) &&
((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END)))
goto err_i1;
@@ -417,6 +412,11 @@ long drm_ioctl(struct file *filp,
} else
goto err_i1;
+ DRM_DEBUG("pid=%d, dev=0x%lx, auth=%d, %s\n",
+ task_pid_nr(current),
+ (long)old_encode_dev(file_priv->minor->device),
+ file_priv->authenticated, ioctl->name);
+
/* Do not trust userspace, use our own definition */
func = ioctl->func;
/* is there a local override? */
@@ -471,6 +471,12 @@ long drm_ioctl(struct file *filp,
}
err_i1:
+ if (!ioctl)
+ DRM_DEBUG("invalid iotcl: pid=%d, dev=0x%lx, auth=%d, cmd=0x%02x, nr=0x%02x\n",
+ task_pid_nr(current),
+ (long)old_encode_dev(file_priv->minor->device),
+ file_priv->authenticated, cmd, nr);
+
if (kdata != stack_kdata)
kfree(kdata);
atomic_dec(&dev->ioctl_count);