From: Axel Lin <axel.lin@xxxxxxxxx>
In the case of missing platform_data we do not hold a spin_lock,
thus we should not call spin_unlock_irqrestore in the error path.
Also simplify the error handling by separating the successful path
from error path. I think this change improves readability.
Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
Tested-by: Steve Calfee <stevecalfee@xxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/mfd/omap-usb-host.c | 8 +++-----
1 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 53450f4..b3bb3ac 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -700,8 +700,7 @@ static int usbhs_enable(struct device *dev)
dev_dbg(dev, "starting TI HSUSB Controller\n");
if (!pdata) {
dev_dbg(dev, "missing platform_data\n");
- ret = -ENODEV;
- goto end_enable;
+ return -ENODEV;
}
spin_lock_irqsave(&omap->lock, flags);
@@ -915,7 +914,8 @@ static int usbhs_enable(struct device *dev)
end_count:
omap->count++;
- goto end_enable;
+ spin_unlock_irqrestore(&omap->lock, flags);
+ return 0;
err_tll:
if (pdata->ehci_data->phy_reset) {
@@ -931,8 +931,6 @@ err_tll:
clk_disable(omap->usbhost_fs_fck);
clk_disable(omap->usbhost_hs_fck);
clk_disable(omap->usbhost_ick);
-
-end_enable:
spin_unlock_irqrestore(&omap->lock, flags);
return ret;
}
--
1.7.4.2
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
