It took me quite some time today(while fixing squashfs+overlay on
armvirt) to find out, that I was missing support for loop block device
in kernel, so I'm adding error message which might be helpful for
someone else in the future as well.
Signed-off-by: Petr Štetiar <yn...@true.cz>
---
libfstools/rootdisk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libfstools/rootdisk.c b/libfstools/rootdisk.c
index dd00c1b..68a6296 100644
--- a/libfstools/rootdisk.c
+++ b/libfstools/rootdisk.c
@@ -258,8 +258,10 @@ static int rootdisk_volume_init(struct volume *v)
char str[128];
int ret = 0;
- if (!p->loop_name[0] && rootdisk_create_loop(p) != 0)
+ if (!p->loop_name[0] && rootdisk_create_loop(p) != 0) {
+ ULOG_ERR("unable to create loop device\n");
return -1;
+ }
v->type = BLOCKDEV;
v->blk = p->loop_name;
--
1.9.1
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