[PATCH v2 04/29] virtio-mem: drop rc2 in virtio_mem_mb_plug_and_add()

David Hildenbrand
2020-11-12T13:38:46Z

We can drop rc2, we don't actually need the value.

Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Reviewed-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
---
drivers/virtio/virtio_mem.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index 0f9d854e8e42..4f18d9855a0e 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -1070,7 +1070,7 @@ static int virtio_mem_mb_plug_and_add(struct virtio_mem *vm,
uint64_t *nb_sb)
{
const int count = min_t(int, *nb_sb, vm->nb_sb_per_mb);
- int rc, rc2;
+ int rc;

if (WARN_ON_ONCE(!count))
return -EINVAL;
@@ -1101,13 +1101,12 @@ static int virtio_mem_mb_plug_and_add(struct virtio_mem *vm,

dev_err(&vm->vdev->dev,
"adding memory block %lu failed with %d\n", mb_id, rc);
- rc2 = virtio_mem_mb_unplug_sb(vm, mb_id, 0, count);

/*
* TODO: Linux MM does not properly clean up yet in all cases
* where adding of memory failed - especially on -ENOMEM.
*/
- if (rc2)
+ if (virtio_mem_mb_unplug_sb(vm, mb_id, 0, count))
new_state = VIRTIO_MEM_MB_STATE_PLUGGED;
virtio_mem_mb_set_state(vm, mb_id, new_state);
return rc;
--
2.26.2