[PATCH] symlink.c

[John Martin]

this patch adds a check to make sure memory was allocated, returns an
error code otherwise.
   -john

--- fs/autofs4/symlink.c.orig   Fri Apr 21 14:41:36 2000
+++ fs/autofs4/symlink.c        Sun Jun  3 00:43:18 2001
@@ -15,13 +15,15 @@
 static int autofs4_readlink(struct dentry *dentry, char *buffer, int
buflen)
 {
        struct autofs_info *ino = autofs4_dentry_ino(dentry);
-
        return vfs_readlink(dentry, buffer, buflen, ino->u.symlink);
 }

 static int autofs4_follow_link(struct dentry *dentry, struct nameidata
*nd)
 {
        struct autofs_info *ino = autofs4_dentry_ino(dentry);
+
+       if(!ino)
+               return -ENOMEM;

        return vfs_follow_link(nd, ino->u.symlink);
 }