When reshape is continued backup_file is required for user data safety.
Grow_continue() has to verify if any file name is passed in.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
Grow.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/Grow.c b/Grow.c
index 47b8809..1470a91 100644
--- a/Grow.c
+++ b/Grow.c
@@ -3332,6 +3332,11 @@ int Grow_continue(int mdfd, struct supertype *st, struct mdinfo *info,
char *container = NULL;
int err;
+ if (backup_file == NULL) {
+ fprintf(stderr, Name ": Backup file name has to be specified "
+ "for reshape continuation.\n");
+ return 1;
+ }
if (!st->ss->external) {
err = sysfs_set_str(info, NULL, "array_state", "readonly");
if (err)
--
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