diff options
| -rw-r--r-- | block/io.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/block/io.c b/block/io.c index aac9b67d94..af4d43ebef 100644 --- a/block/io.c +++ b/block/io.c @@ -1848,9 +1848,16 @@ int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, .iov_base = (void *) buf, .iov_len = size, }; + int ret; qemu_iovec_init_external(&qiov, &iov, 1); - return bdrv_writev_vmstate(bs, &qiov, pos); + + ret = bdrv_writev_vmstate(bs, &qiov, pos); + if (ret < 0) { + return ret; + } + + return size; } int bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos) @@ -1876,9 +1883,15 @@ int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, .iov_base = buf, .iov_len = size, }; + int ret; qemu_iovec_init_external(&qiov, &iov, 1); - return bdrv_readv_vmstate(bs, &qiov, pos); + ret = bdrv_readv_vmstate(bs, &qiov, pos); + if (ret < 0) { + return ret; + } + + return size; } int bdrv_readv_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos) |