From: Peter Lieven <p...@kamp.de> during testing around with 4k LUNs a bad target implementation triggert an -EIO in iscsi_get_block_status, but it got never caught resulting in an infinite loop.
CC: qemu-sta...@nongnu.org Signed-off-by: Peter Lieven <p...@kamp.de> Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com> Signed-off-by: Kevin Wolf <kw...@redhat.com> --- block.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/block.c b/block.c index 13f001a..64e7d22 100644 --- a/block.c +++ b/block.c @@ -2421,6 +2421,11 @@ int bdrv_make_zero(BlockDriverState *bs, BdrvRequestFlags flags) nb_sectors = INT_MAX; } ret = bdrv_get_block_status(bs, sector_num, nb_sectors, &n); + if (ret < 0) { + error_report("error getting block status at sector %" PRId64 ": %s", + sector_num, strerror(-ret)); + return ret; + } if (ret & BDRV_BLOCK_ZERO) { sector_num += n; continue; -- 1.8.1.4