From 76a691d0ab71a244f7582a5b0387728befbdb52f Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@tuxdriver.com>
Date: Mon, 5 May 2014 14:51:47 -0400
Subject: [PATCH] jme: Fix DMA unmap warning

The jme driver forgot to check the return status from pci_map_page in its tx
path, causing a dma api warning on unmap.  Easy fix, just do the check and
augment the tx path to tell the stack that the driver is busy so we re-queue the
frame.

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Guo-Fu Tseng <cooldavid@cooldavid.org>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
Reading git-format-patch failed