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

SF Markus Elfring
2015-02-03T08:36:20Z

From: Markus Elfring <elfring@users.sourceforge.net>
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@users.sourceforge.net>
---
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