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linux-sg2042
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usb: host: ehci-platform: BUG_ON() to WARN_ON() on probe 

usb_ehci_pdata is certainly required in ehci-platform driver.
This patch avoids using BUG_ON() from driver,
and return from probe with WARN_ON() if pdata was NULL.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kuninori Morimoto 2012-08-06 18:06:53 -07:00 committed by Greg Kroah-Hartman
parent 6df471ea04
commit 86e4cb35f2
1 changed files with 5 additions and 1 deletions
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6
drivers/usb/host/ehci-platform.c
View File

@ -82,10 +82,14 @@ static int __devinit ehci_platform_probe(struct platform_device *dev)
{
struct usb_hcd *hcd;
struct resource *res_mem;
struct usb_ehci_pdata *pdata = dev->dev.platform_data;
int irq;
int err = -ENOMEM;
BUG_ON(!dev->dev.platform_data);
if (!pdata) {
WARN_ON(1);
return -ENODEV;
}
if (usb_disabled())
return -ENODEV;