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arch_init: right return for ram_save_iterate 

qemu_file_rate_limit() never return negative value since the refactor
by Commit 1964a39, this patch gets rid of the negative check for it,
adjust bytes_transferred and return value correspondingly in
ram_save_iterate().

Signed-off-by: Lei Li <lilei@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Lei Li 2013-09-04 17:02:36 +08:00 committed by Juan Quintela
parent c77a5f2daa
commit 6cd0beda2c
1 changed files with 10 additions and 5 deletions
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15
arch_init.c
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@ -710,15 +710,20 @@ static int ram_save_iterate(QEMUFile *f, void *opaque)
*/
ram_control_after_iterate(f, RAM_CONTROL_ROUND);
bytes_transferred += total_sent;
/*
* Do not count these 8 bytes into total_sent, so that we can
* return 0 if no page had been dirtied.
*/
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
bytes_transferred += 8;
ret = qemu_file_get_error(f);
if (ret < 0) {
bytes_transferred += total_sent;
return ret;
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
total_sent += 8;
bytes_transferred += total_sent;
return total_sent;
}