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staging: octeon-usb: check return value of platform_device_register_simple

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the return value is a pointer having an error set. we have to check for
IS_ERR and return PTR_ERR when appropriate

Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: David Daney <ddaney.cavm@gmail.com>
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Devendra Naga 2013-06-04 02:46:20 +05:30 committed by Greg Kroah-Hartman
parent 3fa98f34b8
commit 55fa328aec
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/octeon-usb/octeon-hcd.c
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@ -23,6 +23,8 @@
#include <linux/usb/hcd.h>
#include <linux/err.h>
//#define DEBUG_CALL(format, ...) printk(format, ##__VA_ARGS__)
#define DEBUG_CALL(format, ...) do {} while (0)
//#define DEBUG_SUBMIT(format, ...) printk(format, ##__VA_ARGS__)
@ -781,9 +783,9 @@ static int __init octeon_usb_module_init(void)
irq_resource.end = irq_resource.start;
irq_resource.flags = IORESOURCE_IRQ;
pdev = platform_device_register_simple((char*)octeon_usb_driver.name, device, &irq_resource, 1);
if (!pdev) {
if (IS_ERR(pdev)) {
DEBUG_FATAL("OcteonUSB: Failed to allocate platform device for USB%d\n", device);
return -ENOMEM;
return PTR_ERR(pdev);
}
if (device < MAX_USB_PORTS)
pdev_glob[device] = pdev;