[PATCH] KVM: guest_memfd: Drop a superfluous local var in kvm_gmem_fault_user_mapping()
From: Sean Christopherson
Date: Tue Oct 07 2025 - 18:27:35 EST
Drop the local "int err" that's buried in the middle guest_memfd's user
fault handler to avoid the potential for variable shadowing, e.g. if an
"err" variable were also declared at function scope.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
virt/kvm/guest_memfd.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c
index 94bafd6c558c..abbec01d7a3a 100644
--- a/virt/kvm/guest_memfd.c
+++ b/virt/kvm/guest_memfd.c
@@ -330,12 +330,10 @@ static vm_fault_t kvm_gmem_fault_user_mapping(struct vm_fault *vmf)
folio = kvm_gmem_get_folio(inode, vmf->pgoff);
if (IS_ERR(folio)) {
- int err = PTR_ERR(folio);
-
- if (err == -EAGAIN)
+ if (PTR_ERR(folio) == -EAGAIN)
return VM_FAULT_RETRY;
- return vmf_error(err);
+ return vmf_error(PTR_ERR(folio));
}
if (WARN_ON_ONCE(folio_test_large(folio))) {
base-commit: 6b36119b94d0b2bb8cea9d512017efafd461d6ac
--
2.51.0.710.ga91ca5db03-goog