don't do blind d_drop() in nfs_prime_dcache()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ce8cb92..99489cf 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -450,7 +450,8 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
                        nfs_refresh_inode(dentry->d_inode, entry->fattr);
                        goto out;
                } else {
-                       d_drop(dentry);
+                       if (d_invalidate(dentry) != 0)
+                               goto out;
                        dput(dentry);
                }
        }