[PATCH] drm/xe: Fix static analysis tool reported errors

[Karthik Poosa]

Add a NULL pointer check.
Release resources before returning error. (Riana).

Fixes: 09d88e3beb64 ("drm/xe/pm: Init pcode and restore vram on power lost")
Signed-off-by: Karthik Poosa <karthik.poosa at intel.com>
---
 drivers/gpu/drm/xe/xe_pm.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_pm.c b/drivers/gpu/drm/xe/xe_pm.c
index cc650a92c2fc..46abf63bc37b 100644
--- a/drivers/gpu/drm/xe/xe_pm.c
+++ b/drivers/gpu/drm/xe/xe_pm.c
@@ -383,6 +383,12 @@ int xe_pm_runtime_resume(struct xe_device *xe)
 	 * really lost power. Detecting primary Gt power is sufficient.
 	 */
 	gt = xe_device_get_gt(xe, 0);
+	if (!gt) {
+		drm_err(&xe->drm, "xe_gt pointer NULL in xe_device\n");
+		err = -ENXIO;
+		goto out;
+	}
+
 	xe->d3cold.power_lost = xe_guc_in_reset(&gt->uc.guc);
 
 	if (xe->d3cold.allowed && xe->d3cold.power_lost) {
-- 
2.25.1