From a5e9cfa6b4ed9cef39baea5700922612269f2acf Mon Sep 17 00:00:00 2001
From: John Levon <levon@movementarian.org>
Date: Sun, 25 May 2003 07:43:05 -0700
Subject: [PATCH] [PATCH] OProfile: fix d_path() usage

d_path() can return -ENAMETOOLONG these days. Pass it upstream.
---
 fs/dcookies.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/fs/dcookies.c b/fs/dcookies.c
index 7365acccf39..277ef25dff5 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -175,6 +175,11 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char * buf, size_t len)
 	/* FIXME: (deleted) ? */
 	path = d_path(dcs->dentry, dcs->vfsmnt, kbuf, PAGE_SIZE);
 
+	if (IS_ERR(path)) {
+		err = PTR_ERR(path);
+		goto out_free;
+	}
+
 	err = -ERANGE;
  
 	pathlen = kbuf + PAGE_SIZE - path;
@@ -184,6 +189,7 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char * buf, size_t len)
 			err = -EFAULT;
 	}
 
+out_free:
 	kfree(kbuf);
 out:
 	up(&dcookie_sem);
-- 
2.11.4.GIT