From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 22 Jan 2017 17:41:07 +0100
* Return an error code without storing it in an intermediate variable.
* Delete the local variable "r" and the jump label "out" which became
unnecessary with this refactoring.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
virt/kvm/kvm_main.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a651a137ef21..ca88f3620ee3 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1094,37 +1094,31 @@ int kvm_get_dirty_log(struct kvm *kvm,
{
struct kvm_memslots *slots;
struct kvm_memory_slot *memslot;
- int r, i, as_id, id;
+ int i, as_id, id;
unsigned long n;
unsigned long any = 0;
- r = -EINVAL;
as_id = log->slot >> 16;
id = (u16)log->slot;
if (as_id >= KVM_ADDRESS_SPACE_NUM || id >= KVM_USER_MEM_SLOTS)
- goto out;
+ return -EINVAL;
slots = __kvm_memslots(kvm, as_id);
memslot = id_to_memslot(slots, id);
- r = -ENOENT;
if (!memslot->dirty_bitmap)
- goto out;
+ return -ENOENT;
n = kvm_dirty_bitmap_bytes(memslot);
for (i = 0; !any && i < n/sizeof(long); ++i)
any = memslot->dirty_bitmap[i];
- r = -EFAULT;
if (copy_to_user(log->dirty_bitmap, memslot->dirty_bitmap, n))
- goto out;
+ return -EFAULT;
if (any)
*is_dirty = 1;
-
- r = 0;
-out:
- return r;
+ return 0;
}
EXPORT_SYMBOL_GPL(kvm_get_dirty_log);
--
2.11.0
--
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