[PATCH 2/6] i915/gvt/kvm: a NULL ->mm does not mean a thread is a kthread

[Christoph Hellwig <hch@xxxxxx>]

Use the proper API instead.

Fixes: f440c8a572d7 ("drm/i915/gvt/kvmgt: read/write GPA via KVM API")
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/gpu/drm/i915/gvt/kvmgt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c
index 074c4efb58eb..5848400620b4 100644
--- a/drivers/gpu/drm/i915/gvt/kvmgt.c
+++ b/drivers/gpu/drm/i915/gvt/kvmgt.c
@@ -2037,7 +2037,7 @@ static int kvmgt_rw_gpa(unsigned long handle, unsigned long gpa,
 	struct kvmgt_guest_info *info;
 	struct kvm *kvm;
 	int idx, ret;
-	bool kthread = current->mm == NULL;
+	bool kthread = (current->flags & PF_KTHREAD);
 
 	if (!handle_valid(handle))
 		return -ESRCH;
-- 
2.25.1

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