From d7086422b1c1e75e320519cfe26176db6ec97a37 Mon Sep 17 00:00:00 2001 From: Kevin Wolf Date: Fri, 13 Jan 2017 19:02:32 +0100 Subject: block: Add error parameter to blk_insert_bs() Now that blk_insert_bs() requests the BlockBackend permissions for the node it attaches to, it can fail. Instead of aborting, pass the errors to the callers. Signed-off-by: Kevin Wolf Reviewed-by: Max Reitz Acked-by: Fam Zheng --- nbd/server.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'nbd') diff --git a/nbd/server.c b/nbd/server.c index 936d5aa465..89362ba760 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -891,10 +891,14 @@ NBDExport *nbd_export_new(BlockDriverState *bs, off_t dev_offset, off_t size, { BlockBackend *blk; NBDExport *exp = g_malloc0(sizeof(NBDExport)); + int ret; /* FIXME Use real permissions */ blk = blk_new(0, BLK_PERM_ALL); - blk_insert_bs(blk, bs); + ret = blk_insert_bs(blk, bs, errp); + if (ret < 0) { + goto fail; + } blk_set_enable_write_cache(blk, !writethrough); exp->refcount = 1; -- cgit v1.2.3