[PATCH v5 03/19] KVM: Don't free new memslot if allocation of said memslot fails

Sean Christopherson
2020-01-21T22:32:34Z

The two implementations of kvm_arch_create_memslot() in x86 and PPC are
both good citizens and free up all local resources if creation fails.
Return immediately (via a superfluous goto) instead of calling
kvm_free_memslot().

Note, the call to kvm_free_memslot() is effectively an expensive nop in
this case as there are no resources to be freed.

No functional change intended.

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
virt/kvm/kvm_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 1429d8b726ea..8c9211182680 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1088,7 +1088,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
new.userspace_addr = mem->userspace_addr;

if (kvm_arch_create_memslot(kvm, &new, npages))
- goto out_free;
+ goto out;
}

/* Allocate page dirty bitmap if needed */
--
2.24.1