Commit 00d96a46 authored Mar 27, 2018 by Eric Blake

nbd: Fix 32-bit compilation on BLOCK_STATUS



iotests 123 and 209 fail on 32-bit platforms.  The culprit:
sizeof(extent) is wrong; we want sizeof(*extent).  But since
the struct is 8 bytes, it happened to work on 64-bit platforms
where the pointer is also 8 bytes (nasty).

Fixes: 78a33ab5
Reported-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180327210517.1804242-1-eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

parent f184de75

block/nbd-client.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -239,7 +239,7 @@ static int nbd_parse_blockstatus_payload(NBDClientSession *client,
		{
		uint32_t context_id;

		if (chunk->length != sizeof(context_id) + sizeof(extent)) {
		if (chunk->length != sizeof(context_id) + sizeof(*extent)) {
		error_setg(errp, "Protocol error: invalid payload for "
		"NBD_REPLY_TYPE_BLOCK_STATUS");
		return -EINVAL;