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authorDavid Hildenbrand <david@redhat.com>2020-11-12 14:37:50 +0100
committerMichael S. Tsirkin <mst@redhat.com>2020-12-18 22:14:25 +0100
commitd76944f80d5f500c8be74feb7938edddf68ee931 (patch)
treea1f2089cbdcc326eebf05aedfef481a88556cf20 /drivers/virtio/virtio_mem.c
parentvirtio-mem: simplify MAX_ORDER - 1 / pageblock_order handling (diff)
downloadlinux-d76944f80d5f500c8be74feb7938edddf68ee931.tar.xz
linux-d76944f80d5f500c8be74feb7938edddf68ee931.zip
virtio-mem: drop rc2 in virtio_mem_mb_plug_and_add()
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> Link: https://lore.kernel.org/r/20201112133815.13332-5-david@redhat.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/virtio/virtio_mem.c')
-rw-r--r--drivers/virtio/virtio_mem.c5
1 files 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;