[Intel-gfx] [PATCH] drm/i915/gt: Potential error pointer dereference in pinned_context()

[Dan Carpenter]

If the intel_engine_create_pinned_context() function returns an error
pointer, then dereferencing "ce" will Oops.  Use "vm" instead of
"ce->vm".

Fixes: cf586021642d ("drm/i915/gt: Pipelined page migration")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
---
 drivers/gpu/drm/i915/gt/intel_migrate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c
index d0a7c934fd3b..1dac21aa7e5c 100644
--- a/drivers/gpu/drm/i915/gt/intel_migrate.c
+++ b/drivers/gpu/drm/i915/gt/intel_migrate.c
@@ -177,7 +177,7 @@ static struct intel_context *pinned_context(struct intel_gt *gt)
 	ce = intel_engine_create_pinned_context(engine, vm, SZ_512K,
 						I915_GEM_HWS_MIGRATE,
 						&key, "migrate");
-	i915_vm_put(ce->vm);
+	i915_vm_put(vm);
 	return ce;
 }
 
-- 
2.20.1