stop read and return error when hit max delay time.

Signed-off-by: Zhao, Gang <gamer...@gmail.com>
Acked-by: Mark Einon <mark.ei...@gmail.com>
---

Acked at post: http://article.gmane.org/gmane.linux.kernel/1599347

 drivers/staging/et131x/et131x.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index e516bb6..cf97049 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -1388,6 +1388,7 @@ static int et131x_phy_mii_read(struct et131x_adapter 
*adapter, u8 addr,
                            mii_indicator);
 
                status = -EIO;
+               goto out;
        }
 
        /* If we hit here we were able to read the register and we need to
@@ -1395,6 +1396,7 @@ static int et131x_phy_mii_read(struct et131x_adapter 
*adapter, u8 addr,
         */
        *value = readl(&mac->mii_mgmt_stat) & ET_MAC_MIIMGMT_STAT_PHYCRTL_MASK;
 
+out:
        /* Stop the read operation */
        writel(0, &mac->mii_mgmt_cmd);
 
-- 
1.8.5.3

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