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