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authorIngo Molnar <mingo@elte.hu>2008-07-08 10:32:56 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-08 10:32:56 +0200
commit896395c290f902576270d84291c1f7f8bfbe339d (patch)
tree650114bff3a5f808ee1d713ecc443b0eaab2e1c3 /drivers/char/drm/drm_drv.c
parentaf1cf204ba2fd8135933a2e4df523fb1112dc0e2 (diff)
parent1b40a895df6c7d5a80e71f65674060b03d84bbef (diff)
Merge branch 'linus' into tmp.x86.mpparse.new
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 fc54140551a..564138714bb 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;