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authorPaul Mundt <lethal@linux-sh.org>2010-01-06 15:49:08 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-01-06 15:49:08 +0900
commitfa94ddea2b29fdda7640672c8a933dbd901f0278 (patch)
tree4e9204f1438f5ed44bff31e2abee598ad775321d /drivers/gpu/drm/drm_drv.c
parent6fbfe8d7cd7e71ceb281c5a1b9de6e5e0dfbf1c8 (diff)
parent56d45b62ce622a003da972428fdbba2b42102efb (diff)
Merge branch 'master' into sh/hw-breakpoints
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r--drivers/gpu/drm/drm_drv.c13
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,