Signed-off-by: Usha Ketineni<uketinen@us.ibm.com>

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1383,7 +1383,7 @@ nfsd_readlink(struct svc_rqst *rqstp, st
 	 */
 
 	oldfs = get_fs(); set_fs(KERNEL_DS);
-	err = inode->i_op->readlink(dentry, buf, *lenp);
+	err = inode->i_op->readlink(dentry, (char __user *)buf, *lenp);
 	set_fs(oldfs);
 
 	if (err < 0)