Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[~andy/linux] / fs / dcookies.c

diff --git a/fs/dcookies.c b/fs/dcookies.c
index 180e9fec4ad832763bbf6344ecf74265bc1d144b..dda0dc702d1b8da82cbe360bba1ffd9f2c6ced46 100644 (file)
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -145,7 +145,7 @@ out:
 /* And here is where the userspace process can look up the cookie value
  * to retrieve the path.
  */
-asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
+SYSCALL_DEFINE(lookup_dcookie)(u64 cookie64, char __user * buf, size_t len)
 {
        unsigned long cookie = (unsigned long)cookie64;
        int err = -EINVAL;
@@ -178,6 +178,8 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
        /* FIXME: (deleted) ? */
        path = d_path(&dcs->path, kbuf, PAGE_SIZE);
 
+       mutex_unlock(&dcookie_mutex);
+
        if (IS_ERR(path)) {
                err = PTR_ERR(path);
                goto out_free;
@@ -194,11 +196,18 @@ asmlinkage long sys_lookup_dcookie(u64 cookie64, char __user * buf, size_t len)
 
 out_free:
        kfree(kbuf);
+       return err;
 out:
        mutex_unlock(&dcookie_mutex);
        return err;
 }
-
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+asmlinkage long SyS_lookup_dcookie(u64 cookie64, long buf, long len)
+{
+       return SYSC_lookup_dcookie(cookie64, (char __user *) buf, (size_t) len);
+}
+SYSCALL_ALIAS(sys_lookup_dcookie, SyS_lookup_dcookie);
+#endif
 
 static int dcookie_init(void)
 {