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SubjectRe: [PATCH] sh: maple: add support for Maple controller as a joystick
On Fri, Dec 19, 2008 at 11:15:42PM +0000, Adrian McMenamin wrote:
> Add support for the SEGA Dreamcast Maple controller as a joystick

[snip]

> +
> + pad = kzalloc(sizeof(struct dc_pad), GFP_KERNEL);
> + idev = input_allocate_device();
> + if (!pad || !idev){
> + error = ENOMEM;
> + goto fail;
> + }
> +

[snip]

> +
> + error = input_register_device(idev);
> + if (error)
> + goto fail;
> +
> + mdev->driver = mdrv;
> + maple_set_drvdata(mdev, pad);
> +
> + return error;
> +
> +fail:
> + input_free_device(pad->dev);
> + kfree(pad);
> + maple_set_drvdata(mdev, NULL);
> + return -error;
> +}

This will incorrectly negate the already negative error code from
input_register_device.

Rabin


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