"freesize" can be equal 0 after rounding to the chunk's size.
Creating should be aborted in such case.
Signed-off-by: Lukasz Dorau <lukasz.dorau@xxxxxxxxx>
---
Create.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/Create.c b/Create.c
index afcf1a5..f5b7194 100644
--- a/Create.c
+++ b/Create.c
@@ -399,6 +399,11 @@ int Create(struct supertype *st, char *mddev,
if (s->chunk && s->chunk != UnSet) {
/* round to chunk size */
freesize = freesize & ~(s->chunk-1);
+ if (!freesize) {
+ pr_err("no free space left on %s\n", dname);
+ fail = 1;
+ continue;
+ }
if (do_default_chunk) {
/* default chunk was just set */
if (c->verbose > 0)
--
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