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kvm tools: Fix compilation issue in virtio-blk.c

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This patch fixes the following error in virtio-blk.c:

  virtio-blk.c: In function ‘virtio_blk_do_io_request’:
  virtio-blk.c:125:6: error: variable ‘err’ set but not used [-Werror=unused-but-set-variable]
  cc1: all warnings being treated as errors

Signed-off-by: Giuseppe Calderaro <giuseppecalderaro@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Giuseppe Calderaro
2015-06-01 16:39:42 +01:00
committed by Will Deacon
parent 9ee67e6064
commit 92b555b220
1 changed files with 4 additions and 0 deletions
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virtio-blk.c
+4
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@@ -139,9 +139,13 @@ static bool virtio_blk_do_io_request(struct kvm *self, struct virt_queue *queue)
switch (req->type) {
case VIRTIO_BLK_T_IN:
err = disk_image__read_sector(self->disk_image, req->sector, block, block_len);
if (err)
io_error = true;
break;
case VIRTIO_BLK_T_OUT:
err = disk_image__write_sector(self->disk_image, req->sector, block, block_len);
if (err)
io_error = true;
break;
default:
warning("request type %d", req->type);