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authorGerd Hoffmann <kraxel@redhat.com>2021-02-17 13:32:03 +0100
committerGerd Hoffmann <kraxel@redhat.com>2021-02-19 09:13:25 +0100
commit26fe1f4c550dae06ae4af3299bbef6b9d78c4ba0 (patch)
tree637e6e2f05376127a69ed339f803e2a7e4b4a766 /drivers/gpu/drm/qxl
parentdef26cd4bae27efdfcf95559ddf64db91d65670f (diff)
drm/qxl: properly handle device init failures
Specifically do not try release resources which where not allocated in the first place. Cc: Tong Zhang <ztong0001@gmail.com> Tested-by: Tong Zhang <ztong0001@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Link: http://patchwork.freedesktop.org/patch/msgid/20210217123213.2199186-2-kraxel@redhat.com
Diffstat (limited to 'drivers/gpu/drm/qxl')
-rw-r--r--drivers/gpu/drm/qxl/qxl_display.c3
-rw-r--r--drivers/gpu/drm/qxl/qxl_kms.c4
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index c326412136c5..ec50d2cfd4e1 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -1183,6 +1183,9 @@ int qxl_destroy_monitors_object(struct qxl_device *qdev)
{
int ret;
+ if (!qdev->monitors_config_bo)
+ return 0;
+
qdev->monitors_config = NULL;
qdev->ram_header->monitors_config = 0;
diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
index 66d74aaaee06..4dc5ad13f12c 100644
--- a/drivers/gpu/drm/qxl/qxl_kms.c
+++ b/drivers/gpu/drm/qxl/qxl_kms.c
@@ -288,6 +288,10 @@ void qxl_device_fini(struct qxl_device *qdev)
{
int cur_idx;
+ /* check if qxl_device_init() was successful (gc_work is initialized last) */
+ if (!qdev->gc_work.func)
+ return;
+
for (cur_idx = 0; cur_idx < 3; cur_idx++) {
if (!qdev->current_release_bo[cur_idx])
continue;