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[Qemu-devel] [PATCH 3/3] qcow2: Return real error code in load_refcount_
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 3/3] qcow2: Return real error code in load_refcount_block |
Date: |
Fri, 4 Jun 2010 12:19:12 +0200 |
This fixes load_refcount_block which completely ignored the return value of
write_refcount_block and always returned -EIO for bdrv_pwrite failure.
Signed-off-by: Kevin Wolf <address@hidden>
---
block/qcow2-refcount.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 51948ae..41e1da9 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -93,14 +93,19 @@ static int load_refcount_block(BlockDriverState *bs,
int ret;
if (cache_refcount_updates) {
- write_refcount_block(bs);
+ ret = write_refcount_block(bs);
+ if (ret < 0) {
+ return ret;
+ }
}
BLKDBG_EVENT(bs->file, BLKDBG_REFBLOCK_LOAD);
ret = bdrv_pread(bs->file, refcount_block_offset, s->refcount_block_cache,
s->cluster_size);
- if (ret != s->cluster_size)
- return -EIO;
+ if (ret < 0) {
+ return ret;
+ }
+
s->refcount_block_cache_offset = refcount_block_offset;
return 0;
}
--
1.6.6.1