Overlayfs should print an error message if an incorrect mount option
is caught like other filesystems.
After this patch, improper option input could be clearly known.
Reported-by: Fabian Sturm <fabian.sturm@xxxxxxx>
Signed-off-by: hujianyang <hujianyang@xxxxxxxxxx>
---
fs/overlayfs/super.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index b90952f..ab3c8cb 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -615,6 +615,7 @@ static int ovl_parse_opt(char *opt, struct ovl_config *config)
break;
default:
+ pr_err("overlayfs: unrecognized mount option \"%s\" or missing value\n", p);
return -EINVAL;
}
}
--
1.6.0.2
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