diff options
Diffstat (limited to 'block/nbd.c')
| -rw-r--r-- | block/nbd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/nbd.c b/block/nbd.c index caee396525..c0c479abe9 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -1407,15 +1407,17 @@ static int nbd_client_co_pwritev(BlockDriverState *bs, int64_t offset, } static int nbd_client_co_pwrite_zeroes(BlockDriverState *bs, int64_t offset, - int bytes, BdrvRequestFlags flags) + int64_t bytes, BdrvRequestFlags flags) { BDRVNBDState *s = (BDRVNBDState *)bs->opaque; NBDRequest request = { .type = NBD_CMD_WRITE_ZEROES, .from = offset, - .len = bytes, + .len = bytes, /* .len is uint32_t actually */ }; + assert(bytes <= UINT32_MAX); /* rely on max_pwrite_zeroes */ + assert(!(s->info.flags & NBD_FLAG_READ_ONLY)); if (!(s->info.flags & NBD_FLAG_SEND_WRITE_ZEROES)) { return -ENOTSUP; |