diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-23 08:59:32 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-23 08:59:32 -0800 |
| commit | f42ecb2808db5386f983d593a7c08d3ea3b94a27 (patch) | |
| tree | 3b5584f4e5e73f5f01807e5176cbe29e1db69868 /drivers/gpu/drm/drm_drv.c | |
| parent | 119eecc831a42bd090543568932e440c6831f1bb (diff) | |
| parent | d94a5108f716bbd524358eb5a440d63991744a62 (diff) | |
Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (35 commits)
drm/radeon/kms: add definitions for v4 power tables
drm/radeon/kms: never combine LVDS with another encoder
drm/radeon/kms: Check module arguments to be valid V2
drm/radeon/kms: Avoid crash when trying to cleanup uninitialized structure
drm/radeon/kms: add cvt mode if we only have lvds w/h and no edid (v4)
drm/radeon/kms: add 3DC compression support
drm/radeon/kms: allow rendering while no colorbuffer is set on r300
drm/radeon/kms: enable memory clock reading on legacy (V2)
drm/radeon/kms: prevent parallel AtomBIOS calls
drm/radeon/kms: set proper default tv standard
drm/radeon/kms: fix legacy rmx
drm/radeon/kms/atom: fill in proper defines for digital setup
drm/kms: silencing a false positive warning.
drm/mm: fix logic for selection of best fit block
drm/vmwgfx: Use TTM handles instead of SIDs as user-space surface handles.
drm/vmwgfx: Return -ERESTARTSYS when interrupted by a signal.
drm/vmwgfx: Fix unlocked ioctl and add proper access control
drm/radeon: fix build on 64-bit with some compilers.
drivers/gpu: Use kzalloc for allocating only one thing
DRM: Rename clamp variable
...
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
| -rw-r--r-- | drivers/gpu/drm/drm_drv.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index ff2f1042cb4..766c46875a2 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -434,11 +434,11 @@ static int drm_version(struct drm_device *dev, void *data, * Looks up the ioctl function in the ::ioctls table, checking for root * previleges if so required, and dispatches to the respective function. */ -int drm_ioctl(struct inode *inode, struct file *filp, +long drm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { struct drm_file *file_priv = filp->private_data; - struct drm_device *dev = file_priv->minor->dev; + struct drm_device *dev; struct drm_ioctl_desc *ioctl; drm_ioctl_t *func; unsigned int nr = DRM_IOCTL_NR(cmd); @@ -446,6 +446,7 @@ int drm_ioctl(struct inode *inode, struct file *filp, char stack_kdata[128]; char *kdata = NULL; + dev = file_priv->minor->dev; atomic_inc(&dev->ioctl_count); atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); ++file_priv->ioctl_count; @@ -501,7 +502,13 @@ int drm_ioctl(struct inode *inode, struct file *filp, goto err_i1; } } - retcode = func(dev, kdata, file_priv); + if (ioctl->flags & DRM_UNLOCKED) + retcode = func(dev, kdata, file_priv); + else { + lock_kernel(); + retcode = func(dev, kdata, file_priv); + unlock_kernel(); + } if (cmd & IOC_OUT) { if (copy_to_user((void __user *)arg, kdata, |