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migration: fix maybe-uninitialized warning

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../migration/ram.c: In function ‘multifd_recv_thread’:
/home/elmarco/src/qq/include/qapi/error.h:165:5: error: ‘block’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  165 |     error_setg_internal((errp), __FILE__, __LINE__, __func__,   \
      |     ^~~~~~~~~~~~~~~~~~~
../migration/ram.c:818:15: note: ‘block’ was declared here
  818 |     RAMBlock *block;
      |               ^~~~~

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2019-10-04 15:12:09 +04:00 committed by Paolo Bonzini
parent b965e8c538
commit e4f1bea2a8
1 changed files with 11 additions and 9 deletions
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20
migration/ram.c
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@ -863,15 +863,17 @@ static int multifd_recv_unfill_packet(MultiFDRecvParams *p, Error **errp)
p->next_packet_size = be32_to_cpu(packet->next_packet_size);
p->packet_num = be64_to_cpu(packet->packet_num);
if (p->pages->used) {
/* make sure that ramblock is 0 terminated */
packet->ramblock[255] = 0;
block = qemu_ram_block_by_name(packet->ramblock);
if (!block) {
error_setg(errp, "multifd: unknown ram block %s",
packet->ramblock);
return -1;
}
if (p->pages->used == 0) {
return 0;
}
/* make sure that ramblock is 0 terminated */
packet->ramblock[255] = 0;
block = qemu_ram_block_by_name(packet->ramblock);
if (!block) {
error_setg(errp, "multifd: unknown ram block %s",
packet->ramblock);
return -1;
}
for (i = 0; i < p->pages->used; i++) {