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authorIngo Molnar <mingo@elte.hu>2008-06-25 12:31:14 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-25 12:31:14 +0200
commit607baf1f4ef94637ab0f7d0e258932851dc5c0a2 (patch)
treee5e3ed753fdad4eef8aaed2562df2a1148cec4ab /drivers/char/drm/drm_drv.c
parent064a32d82c20cdcb0119a8b316eb520608d8c647 (diff)
parent543cf4cb3fe6f6cae3651ba918b9c56200b257d0 (diff)
Merge branch 'linus' into x86/memtesttip-x86-memtest-2008-06-25_10.31_Wed
Diffstat (limited to 'drivers/char/drm/drm_drv.c')
-rw-r--r--drivers/char/drm/drm_drv.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c
index fc54140551a7..564138714bb5 100644
--- a/drivers/char/drm/drm_drv.c
+++ b/drivers/char/drm/drm_drv.c
@@ -470,17 +470,18 @@ int drm_ioctl(struct inode *inode, struct file *filp,
if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) &&
(nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
- else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE))
+ else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) {
ioctl = &drm_ioctls[nr];
- else
+ cmd = ioctl->cmd;
+ } else
goto err_i1;
+ /* Do not trust userspace, use our own definition */
func = ioctl->func;
/* is there a local override? */
if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl)
func = dev->driver->dma_ioctl;
-
if (!func) {
DRM_DEBUG("no function\n");
retcode = -EINVAL;