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| author | Alberto Garcia <berto@igalia.com> | 2015-05-11 15:54:58 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2015-05-22 17:08:01 +0200 |
| commit | a3f1afb43a09e4577571c044c48f2ba9e6e4ad06 (patch) | |
| tree | d53fd22a0e05be8ca23ab773f478ac1beea7b2fe /block/qcow2-refcount.c | |
| parent | 812e4082cae73e12fd425cace4fd3a715a7c1d32 (diff) | |
| download | qemu-a3f1afb43a09e4577571c044c48f2ba9e6e4ad06.zip qemu-a3f1afb43a09e4577571c044c48f2ba9e6e4ad06.tar.gz qemu-a3f1afb43a09e4577571c044c48f2ba9e6e4ad06.tar.bz2 | |
qcow2: make qcow2_cache_put() a void function
This function never receives an invalid table pointer, so we can make
it void and remove all the error checking code.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2-refcount.c')
| -rw-r--r-- | block/qcow2-refcount.c | 29 |
1 files changed, 5 insertions, 24 deletions
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 0707f94..0632fc3 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -265,10 +265,7 @@ int qcow2_get_refcount(BlockDriverState *bs, int64_t cluster_index, block_index = cluster_index & (s->refcount_block_size - 1); *refcount = s->get_refcount(refcount_block, block_index); - ret = qcow2_cache_put(bs, s->refcount_block_cache, &refcount_block); - if (ret < 0) { - return ret; - } + qcow2_cache_put(bs, s->refcount_block_cache, &refcount_block); return 0; } @@ -448,10 +445,7 @@ static int alloc_refcount_block(BlockDriverState *bs, return -EAGAIN; } - ret = qcow2_cache_put(bs, s->refcount_block_cache, refcount_block); - if (ret < 0) { - goto fail_block; - } + qcow2_cache_put(bs, s->refcount_block_cache, refcount_block); /* * If we come here, we need to grow the refcount table. Again, a new @@ -723,13 +717,8 @@ static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs, /* Load the refcount block and allocate it if needed */ if (table_index != old_table_index) { if (refcount_block) { - ret = qcow2_cache_put(bs, s->refcount_block_cache, - &refcount_block); - if (ret < 0) { - goto fail; - } + qcow2_cache_put(bs, s->refcount_block_cache, &refcount_block); } - ret = alloc_refcount_block(bs, cluster_index, &refcount_block); if (ret < 0) { goto fail; @@ -774,11 +763,7 @@ fail: /* Write last changed block to disk */ if (refcount_block) { - int wret; - wret = qcow2_cache_put(bs, s->refcount_block_cache, &refcount_block); - if (wret < 0) { - return ret < 0 ? ret : wret; - } + qcow2_cache_put(bs, s->refcount_block_cache, &refcount_block); } /* @@ -1188,11 +1173,7 @@ int qcow2_update_snapshot_refcount(BlockDriverState *bs, } } - ret = qcow2_cache_put(bs, s->l2_table_cache, (void**) &l2_table); - if (ret < 0) { - goto fail; - } - + qcow2_cache_put(bs, s->l2_table_cache, (void **) &l2_table); if (addend != 0) { ret = qcow2_update_cluster_refcount(bs, l2_offset >> |