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kms-impl-device: Fail up front if we can't retrieve DRM resources

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If we can't retrieve the drm resources, instead of segfaulting later on,
treat it as an error, and let the error handler up the stack handle it.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/665
This commit is contained in:
Jonas Ådahl 2019-07-01 11:56:08 +02:00
parent 1c25b75571
commit 5cb6286436
1 changed files with 9 additions and 2 deletions
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11
src/backends/native/meta-kms-impl-device.c
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@ -328,13 +328,20 @@ meta_kms_impl_device_new (MetaKmsDevice *device,
return NULL; return NULL;
} }
drm_resources = drmModeGetResources (fd);
if (!drm_resources)
{
g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno),
"Failed to activate universal planes: %s",
g_strerror (errno));
return NULL;
}
impl_device = g_object_new (META_TYPE_KMS_IMPL_DEVICE, NULL); impl_device = g_object_new (META_TYPE_KMS_IMPL_DEVICE, NULL);
impl_device->device = device; impl_device->device = device;
impl_device->impl = impl; impl_device->impl = impl;
impl_device->fd = fd; impl_device->fd = fd;
drm_resources = drmModeGetResources (fd);
init_crtcs (impl_device, drm_resources); init_crtcs (impl_device, drm_resources);
init_connectors (impl_device, drm_resources); init_connectors (impl_device, drm_resources);
init_planes (impl_device); init_planes (impl_device);