Signed-off-by: Erez Zadok <ezk@xxxxxxxxxxxxx>
---
fs/unionfs/subr.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/fs/unionfs/subr.c b/fs/unionfs/subr.c
index 68a6280..1a40f63 100644
--- a/fs/unionfs/subr.c
+++ b/fs/unionfs/subr.c
@@ -247,8 +247,14 @@ void unionfs_copy_attr_times(struct inode *upper)
int bindex;
struct inode *lower;
- if (!upper || ibstart(upper) < 0)
+ if (!upper)
return;
+ if (ibstart(upper) < 0) {
+#ifdef CONFIG_UNION_FS_DEBUG
+ WARN_ON(ibstart(upper) < 0);
+#endif /* CONFIG_UNION_FS_DEBUG */
+ return;
+ }
for (bindex = ibstart(upper); bindex <= ibend(upper); bindex++) {
lower = unionfs_lower_inode_idx(upper, bindex);
if (!lower)
--
1.5.2.2
-
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