diff options
Diffstat (limited to 'block/qcow2.c')
| -rw-r--r-- | block/qcow2.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index dbaf016bc7..2ed8d95b1f 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -869,7 +869,7 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags, if (header.backing_file_offset != 0) { len = header.backing_file_size; if (len > MIN(1023, s->cluster_size - header.backing_file_offset) || - len > sizeof(bs->backing_file)) { + len >= sizeof(bs->backing_file)) { error_setg(errp, "Backing file name too long"); ret = -EINVAL; goto fail; @@ -2521,15 +2521,12 @@ static int qcow2_save_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, { BDRVQcowState *s = bs->opaque; int64_t total_sectors = bs->total_sectors; - int growable = bs->growable; bool zero_beyond_eof = bs->zero_beyond_eof; int ret; BLKDBG_EVENT(bs->file, BLKDBG_VMSTATE_SAVE); - bs->growable = 1; bs->zero_beyond_eof = false; ret = bdrv_pwritev(bs, qcow2_vm_state_offset(s) + pos, qiov); - bs->growable = growable; bs->zero_beyond_eof = zero_beyond_eof; /* bdrv_co_do_writev will have increased the total_sectors value to include @@ -2544,15 +2541,12 @@ static int qcow2_load_vmstate(BlockDriverState *bs, uint8_t *buf, int64_t pos, int size) { BDRVQcowState *s = bs->opaque; - int growable = bs->growable; bool zero_beyond_eof = bs->zero_beyond_eof; int ret; BLKDBG_EVENT(bs->file, BLKDBG_VMSTATE_LOAD); - bs->growable = 1; bs->zero_beyond_eof = false; ret = bdrv_pread(bs, qcow2_vm_state_offset(s) + pos, buf, size); - bs->growable = growable; bs->zero_beyond_eof = zero_beyond_eof; return ret; |