From: Felipe Balbi <felipe.balbi@xxxxxxxxx>
when probe() fails, we should iounmap() the mapped address.
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/musb/musb_core.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 3e9b3b0..de7b377 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2110,6 +2110,7 @@ static int __init musb_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
int irq = platform_get_irq(pdev, 0);
+ int status;
struct resource *iomem;
void __iomem *base;
@@ -2127,7 +2128,12 @@ static int __init musb_probe(struct platform_device *pdev)
/* clobbered by use_dma=n */
orig_dma_mask = dev->dma_mask;
#endif
- return musb_init_controller(dev, irq, base);
+
+ status = musb_init_controller(dev, irq, base);
+ if (status < 0)
+ iounmap(base);
+
+ return status;
}
static int __exit musb_remove(struct platform_device *pdev)
--
1.7.0.1
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