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qemu-io: fix the alloc command

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Because sector_num is not updated, the loop would either go on
forever or return garbage.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-05-08 16:51:52 +02:00 committed by Kevin Wolf
parent 8655d2de0a
commit cc785c349d
1 changed files with 8 additions and 2 deletions
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10
qemu-io.c
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@ -1560,7 +1560,7 @@ out:
static int alloc_f(int argc, char **argv)
{
int64_t offset;
int64_t offset, sector_num;
int nb_sectors, remaining;
char s1[64];
int num, sum_alloc;
@ -1581,12 +1581,18 @@ static int alloc_f(int argc, char **argv)
remaining = nb_sectors;
sum_alloc = 0;
sector_num = offset >> 9;
while (remaining) {
ret = bdrv_is_allocated(bs, offset >> 9, nb_sectors, &num);
ret = bdrv_is_allocated(bs, sector_num, remaining, &num);
sector_num += num;
remaining -= num;
if (ret) {
sum_alloc += num;
}
if (num == 0) {
nb_sectors -= remaining;
remaining = 0;
}
}
cvtstr(offset, s1, sizeof(s1));