Fix unionfs_interpose to fill lower inode info when d_splice_alias returns
NULL. Also cleanup impossible case (d_splice_alias doesn't return ERR_PTR).
Signed-off-by: Rachita Kothiyal <[email protected]>
Signed-off-by: Erez Zadok <[email protected]>
---
fs/unionfs/main.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/fs/unionfs/main.c b/fs/unionfs/main.c
index 22aa6e6..ea8976d 100644
--- a/fs/unionfs/main.c
+++ b/fs/unionfs/main.c
@@ -149,9 +149,7 @@ skip:
break;
case INTERPOSE_LOOKUP:
spliced = d_splice_alias(inode, dentry);
- if (IS_ERR(spliced)) {
- err = PTR_ERR(spliced);
- } else if (spliced && spliced != dentry) {
+ if (spliced && spliced != dentry) {
/*
* d_splice can return a dentry if it was
* disconnected and had to be moved. We must ensure
@@ -169,6 +167,12 @@ skip:
unionfs_fill_inode(dentry, inode);
}
goto out_spliced;
+ } else if (!spliced) {
+ if (need_fill_inode) {
+ need_fill_inode = 0;
+ unionfs_fill_inode(dentry, inode);
+ goto out_spliced;
+ }
}
break;
case INTERPOSE_REVAL:
--
1.5.2.2
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