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-rw-r--r--fs/nfs/dir.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 2884138848f4..408c3bb549b1 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1994,6 +1994,19 @@ out:
no_open:
res = nfs_lookup(dir, dentry, lookup_flags);
+ if (!res) {
+ inode = d_inode(dentry);
+ if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
+ !S_ISDIR(inode->i_mode))
+ res = ERR_PTR(-ENOTDIR);
+ } else if (!IS_ERR(res)) {
+ inode = d_inode(res);
+ if ((lookup_flags & LOOKUP_DIRECTORY) && inode &&
+ !S_ISDIR(inode->i_mode)) {
+ dput(res);
+ res = ERR_PTR(-ENOTDIR);
+ }
+ }
if (switched) {
d_lookup_done(dentry);
if (!res)