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authorLinus Torvalds <torvalds@linux-foundation.org>2011-12-02 20:25:04 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-12-02 20:25:04 +0400
commitc2b5adb4868c190dd9d6dc624567fa38f1ba79af (patch)
tree64a6336ce2ed446524c2c89b1b4d91ebca05764a /drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
parent0efebaa72d3b8cf377c45930c78e1a0969d6355a (diff)
parentbab9efc206ba89766c53a9042eb771e87e68c42b (diff)
downloadlinux-c2b5adb4868c190dd9d6dc624567fa38f1ba79af.tar.xz
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: vmwgfx: integer overflow in vmw_kms_update_layout_ioctl() drm/radeon/kms: fix 2D tiling CS support on EG/CM drm/radeon/kms: fix scanout of 2D tiled buffers on EG/CM drm: Fix lack of CRTC disable for drm_crtc_helper_set_config(.fb=NULL) drm/radeon/kms: add some new pci ids drm/radeon/kms: Skip ACPI call to ATIF when possible drm/radeon/kms: Hide debugging message drm/radeon/kms: add some loop timeouts in pageflip code drm/nv50/disp: silence compiler warning drm/nouveau: fix oopses caused by clear being called on unpopulated ttms drm/nouveau: Keep RAMIN heap within the channel. drm/nvd0/disp: fix sor dpms typo, preventing dpms on in some situations drm/nvc0/gr: fix TP init for transform feedback offset queries drm/nouveau: add dumb ioctl support
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 880e285d7578..37d40545ed77 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1809,7 +1809,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
}
rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
- rects = kzalloc(rects_size, GFP_KERNEL);
+ rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
+ GFP_KERNEL);
if (unlikely(!rects)) {
ret = -ENOMEM;
goto out_unlock;
@@ -1824,10 +1825,10 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
}
for (i = 0; i < arg->num_outputs; ++i) {
- if (rects->x < 0 ||
- rects->y < 0 ||
- rects->x + rects->w > mode_config->max_width ||
- rects->y + rects->h > mode_config->max_height) {
+ if (rects[i].x < 0 ||
+ rects[i].y < 0 ||
+ rects[i].x + rects[i].w > mode_config->max_width ||
+ rects[i].y + rects[i].h > mode_config->max_height) {
DRM_ERROR("Invalid GUI layout.\n");
ret = -EINVAL;
goto out_free;