From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 15 Mar 2016 07:19:04 +0000 (+0300)
Subject: mediatek: unlock on error in mtk_tx_map()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=48e77422a3cb74e04384090e21235f4916278373;p=linux.git

mediatek: unlock on error in mtk_tx_map()

There was a missing unlock on the error path.

Fixes: 656e705243fd ('net-next: mediatek: add support for MT7623 ethernet')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: John Crispin <blogic@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index fd19d2d163b8e..7f2126b6a179f 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -661,6 +661,8 @@ err_dma:
 		itxd = mtk_qdma_phys_to_virt(ring, itxd->txd2);
 	} while (itxd != txd);
 
+	spin_unlock_irqrestore(&eth->page_lock, flags);
+
 	return -ENOMEM;
 }