[PATCH 12/14] Unionfs: do not over-decrement lower superblock refs on remount

[Erez Zadok]

Signed-off-by: Erez Zadok <ezk@xxxxxxxxxxxxx>
---
 fs/unionfs/super.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/unionfs/super.c b/fs/unionfs/super.c
index e5cb235..4cddc83 100644
--- a/fs/unionfs/super.c
+++ b/fs/unionfs/super.c
@@ -755,7 +755,7 @@ out_no_change:
 	/* grab new lower super references; release old ones */
 	for (i = 0; i < new_branches; i++)
 		atomic_inc(&new_data[i].sb->s_active);
-	for (i = 0; i < new_branches; i++)
+	for (i = 0; i < sbmax(sb); i++)
 		atomic_dec(&UNIONFS_SB(sb)->data[i].sb->s_active);
 
 	/* copy new vectors into their correct place */
-- 
1.5.2.2

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