mdadm:it doesn't make sense to set bitmap twice.
Signed-off-by: Zhilong Liu <zlliu@xxxxxxxx>
diff --git a/mdadm.c b/mdadm.c
index b5ac061..eb9a4e9 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1137,6 +1137,10 @@ int main(int argc, char *argv[])
case O(CREATE,Bitmap): /* here we create the bitmap */
case O(GROW,'b'):
case O(GROW,Bitmap):
+ if (s.bitmap_file) {
+ pr_err("bitmap cannot be set twice. Second value: %s.\n", optarg);
+ exit(2);
+ }
if (strcmp(optarg, "internal") == 0 ||
strcmp(optarg, "none") == 0 ||
strchr(optarg, '/') != NULL) {
--
2.10.2
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