[PATCH] drm/xe: Check result of drmm_mutex_init()

[Michal Wajdeczko]

Although it's unlikely that drmm_mutex_init() will fail during
driver initialization, however we shouldn't ignore this case.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
 drivers/gpu/drm/xe/xe_device.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index 9083f5e02dd9..ba3643906d9e 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -273,7 +273,9 @@ struct xe_device *xe_device_create(struct pci_dev *pdev,
 
 	init_waitqueue_head(&xe->ufence_wq);
 
-	drmm_mutex_init(&xe->drm, &xe->usm.lock);
+	err = drmm_mutex_init(&xe->drm, &xe->usm.lock);
+	if (err)
+		goto err;
 	xa_init_flags(&xe->usm.asid_to_vm, XA_FLAGS_ALLOC);
 
 	if (IS_ENABLED(CONFIG_DRM_XE_DEBUG)) {
-- 
2.43.0