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arch_init/ram_load: add error message for block length mismatch

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Makes it easier to debug situations where the source and target have
different ram blocks in a device and migration fails due to that, for
instance a BAR size change on a PCI device.

Signed-off-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Alon Levy 2013-05-12 14:16:28 +03:00 committed by Juan Quintela
parent 3e50873294
commit 87d2f82543
1 changed files with 3 additions and 0 deletions
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arch_init.c
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@ -808,6 +808,9 @@ static int ram_load(QEMUFile *f, void *opaque, int version_id)
QTAILQ_FOREACH(block, &ram_list.blocks, next) {
if (!strncmp(id, block->idstr, sizeof(id))) {
if (block->length != length) {
fprintf(stderr, "Length mismatch: %s: %ld "
"in != " RAM_ADDR_FMT "\n", id, length,
block->length);
ret = -EINVAL;
goto done;
}