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authorIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
committerIngo Molnar <mingo@kernel.org>2013-11-06 06:39:45 +0100
commit97c53b402fcadb50201c23914f614bf8430d9c20 (patch)
tree3c9b94e866d150c3a2d8ac853e388c38fade8b45 /drivers/gpu/drm/drm_drv.c
parent6a716c90a51338009c3bc1f460829afaed8f922d (diff)
parent5e01dc7b26d9f24f39abace5da98ccbd6a5ceb52 (diff)
Merge tag 'v3.12' into core/locking to pick up mutex upates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r--drivers/gpu/drm/drm_drv.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index e572dd20bde..fe58d0833a1 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -61,7 +61,7 @@ static int drm_version(struct drm_device *dev, void *data,
/** Ioctl table */
static const struct drm_ioctl_desc drm_ioctls[] = {
- DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED),
+ DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0),
DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0),
DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY),
@@ -402,9 +402,16 @@ long drm_ioctl(struct file *filp,
cmd = ioctl->cmd_drv;
}
else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) {
+ u32 drv_size;
+
ioctl = &drm_ioctls[nr];
- cmd = ioctl->cmd;
+
+ drv_size = _IOC_SIZE(ioctl->cmd);
usize = asize = _IOC_SIZE(cmd);
+ if (drv_size > asize)
+ asize = drv_size;
+
+ cmd = ioctl->cmd;
} else
goto err_i1;