The alloc_workqueue() function does not return error pointers, it
returns NULL on error. Update the check accordingly.
Fixes: 1a3320dd2939 ("KVM: MMU: propagate alloc_workqueue failure")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Obviously, I noticed that the patch says "propagate alloc_workqueue
failure" so that's a puzzling thing. Merge issue perhaps? In
linux-next it alloc_workqueue() returns NULL.
arch/x86/kvm/mmu/tdp_mmu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index a2f9a34a0168..d71d177ae6b8 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -22,8 +22,8 @@ int kvm_mmu_init_tdp_mmu(struct kvm *kvm)
return 0;
wq = alloc_workqueue("kvm", WQ_UNBOUND|WQ_MEM_RECLAIM|WQ_CPU_INTENSIVE, 0);
- if (IS_ERR(wq))
- return PTR_ERR(wq);
+ if (!wq)
+ return -ENOMEM;
/* This should not be changed for the lifetime of the VM. */
kvm->arch.tdp_mmu_enabled = true;
--
2.20.1
