Re: [PATCH 7/7] arch/unicore32/kernel/dma.c: ensure arguments torequest_irq and free_irq are compatible

[Dan Carpenter]

On Wed, Mar 14, 2012 at 04:07:24PM +0800, Guan Xuetao wrote:
> puv3_init_dma() is called ONCE when initializing.
> In logical, if request_irq(IRQ_DMAERR, *) failed, free_irq(IRQ_DMA, *)
> is unnecessary, and dma device/driver can keep on working.
> The patch could be:
>   	ret = request_irq(IRQ_DMAERR, dma_err_handler, 0, "DMAERR", NULL);
>   	if (ret) {
>   		printk(KERN_CRIT "Can't register IRQ for DMAERR\n");
>  -		free_irq(IRQ_DMA, "DMA");
>   		return ret;
>   	}

It seems like you should remove the error return as well?

regards,
dan carpenter

Attachment: signature.asc
Description: Digital signature