mdadm: Make add_internal_bitmap() return 0 on success

add_internal_bitmap() returned 1 on success and 0 on error which is
inconsistent. This changes it to return 0 on success and use more
reasonable error codes on error.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/super0.c b/super0.c
index 6fc1ac4f..467a3737 100644
--- a/super0.c
+++ b/super0.c
@@ -1139,7 +1139,7 @@ static int add_internal_bitmap0(struct supertype *st, int *chunkp,
 		if (chunk < 64*1024*1024)
 			chunk = 64*1024*1024;
 	} else if ((unsigned long long)chunk < min_chunk)
-		return 0; /* chunk size too small */
+		return -EINVAL; /* chunk size too small */
 
 	sb->state |= (1<<MD_SB_BITMAP_PRESENT);
 
@@ -1153,7 +1153,7 @@ static int add_internal_bitmap0(struct supertype *st, int *chunkp,
 	bms->sync_size = __cpu_to_le64(size);
 	bms->write_behind = __cpu_to_le32(write_behind);
 	*chunkp = chunk;
-	return 1;
+	return 0;
 }
 
 static int locate_bitmap0(struct supertype *st, int fd, int node_num)