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authorDave Airlie <airlied@redhat.com>2016-09-28 06:23:07 +0300
committerDave Airlie <airlied@redhat.com>2016-09-28 06:23:07 +0300
commitc0d5fb4d0d9224ccaad0475c9b58740873970e7e (patch)
tree202ee565e7d873f6580b85251aba75a00bac1fc2 /drivers/gpu/drm/bochs
parentca09fb9f60b5f3ab2d57e761aaeea89a5147d784 (diff)
parent30b9c96cf7b44d53b9165649c8be34ac234be324 (diff)
downloadlinux-c0d5fb4d0d9224ccaad0475c9b58740873970e7e.tar.xz
Merge tag 'drm-qemu-20160921' of git://git.kraxel.org/linux into drm-next
bugfixes for qemu (bochs, qxl and virtio-gpu) drm drivers * tag 'drm-qemu-20160921' of git://git.kraxel.org/linux: drm/virtio: add real fence context and seqno drm/virtio: drop virtio_gpu_execbuffer_ioctl() wrapping virtio-gpu: avoid possible NULL pointer dereference drm/qxl: reapply cursor after SetCrtc calls bochs: ignore device if there isn't enougth memory
Diffstat (limited to 'drivers/gpu/drm/bochs')
-rw-r--r--drivers/gpu/drm/bochs/bochs_drv.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c
index 277654abe0f7..534227df23f3 100644
--- a/drivers/gpu/drm/bochs/bochs_drv.c
+++ b/drivers/gpu/drm/bochs/bochs_drv.c
@@ -163,8 +163,15 @@ static int bochs_kick_out_firmware_fb(struct pci_dev *pdev)
static int bochs_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
+ unsigned long fbsize;
int ret;
+ fbsize = pci_resource_len(pdev, 0);
+ if (fbsize < 4 * 1024 * 1024) {
+ DRM_ERROR("less than 4 MB video memory, ignoring device\n");
+ return -ENOMEM;
+ }
+
ret = bochs_kick_out_firmware_fb(pdev);
if (ret)
return ret;