Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Fixes: 061701540349 ("ovl: lookup indexed ancestor of lower dir")
Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
---
Miklos,
Another fix, for yet another issue reported by 0-day robot.
At least it looks like the smatch checker got to the last patch ;-).
All 3 fixes over overlayfs-next are push to branch ovl-nfs-export
on my github.
Thanks,
Amir.
fs/overlayfs/export.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c
index bb94ce9da5c8..07d70255095b 100644
--- a/fs/overlayfs/export.c
+++ b/fs/overlayfs/export.c
@@ -355,8 +355,8 @@ static struct dentry *ovl_lookup_real_inode(struct super_block *sb,
dput(upper);
}
- if (!this)
- return NULL;
+ if (IS_ERR_OR_NULL(this))
+ return this;
if (WARN_ON(ovl_dentry_real_at(this, layer->idx) != real)) {
dput(this);
--
2.7.4
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