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Subject[PATCH 2/6] i915/gvt/kvm: a NULL ->mm does not mean a thread is a kthread
Date
Use the proper API instead.

Fixes: f440c8a572d7 ("drm/i915/gvt/kvmgt: read/write GPA via KVM API")
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
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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