[PATCH 2/2] sata_mv: More error handling for phy_power_off() in mv_platform_remove()

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 2 Feb 2015 23:30:34 +0100

The return value from the phy_power_off() function was not used by the
mv_platform_remove() function.

Let us improve error detection and eventually return a corresponding
failure code.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 drivers/ata/sata_mv.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index f8c33e3..4f9bc33 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -4203,7 +4203,7 @@ static int mv_platform_remove(struct platform_device *pdev)
 {
 	struct ata_host *host = platform_get_drvdata(pdev);
 	struct mv_host_priv *hpriv = host->private_data;
-	int port;
+	int port, rc;
 	ata_host_detach(host);
 
 	if (!IS_ERR(hpriv->clk)) {
@@ -4215,7 +4215,9 @@ static int mv_platform_remove(struct platform_device *pdev)
 			clk_disable_unprepare(hpriv->port_clks[port]);
 			clk_put(hpriv->port_clks[port]);
 		}
-		phy_power_off(hpriv->port_phys[port]);
+		rc = phy_power_off(hpriv->port_phys[port]);
+		if (rc)
+			return rc;
 	}
 	return 0;
 }
-- 
2.2.2

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