dmg: use enumeration type instead of hard coding number

Signed-off-by: yuchenlin <npes87184@gmail.com>
Reviewed-by: Julio Faracco <jcfaracco@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190103114700.9686-3-npes87184@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
yuchenlin 2019-01-03 19:46:59 +08:00 committed by Stefan Hajnoczi
parent 5ef40828ba
commit e80fcf590e

View file

@ -267,7 +267,7 @@ static int dmg_read_mish_block(BDRVDMGState *s, DmgHeaderState *ds,
/* all-zeroes sector (type 2) does not need to be "uncompressed" and can
* therefore be unbounded. */
if (s->types[i] != 2 && s->sectorcounts[i] > DMG_SECTORCOUNTS_MAX) {
if (s->types[i] != UDIG && s->sectorcounts[i] > DMG_SECTORCOUNTS_MAX) {
error_report("sector count %" PRIu64 " for chunk %" PRIu32
" is larger than max (%u)",
s->sectorcounts[i], i, DMG_SECTORCOUNTS_MAX);
@ -710,7 +710,7 @@ dmg_co_preadv(BlockDriverState *bs, uint64_t offset, uint64_t bytes,
/* Special case: current chunk is all zeroes. Do not perform a memcpy as
* s->uncompressed_chunk may be too small to cover the large all-zeroes
* section. dmg_read_chunk is called to find s->current_chunk */
if (s->types[s->current_chunk] == 2) { /* all zeroes block entry */
if (s->types[s->current_chunk] == UDIG) { /* all zeroes block entry */
qemu_iovec_memset(qiov, i * 512, 0, 512);
continue;
}