Re: [PATCH] block: fix an address space warning in blk-map.c

From: Jens Axboe
Date: Wed Sep 15 2010 - 07:07:22 EST


On 2010-09-14 17:42, Namhyung Kim wrote:
> Change type of 2nd parameter of blk_rq_aligned() into unsigned long
> and remove unnecessary casting. Now we can call it with 'uaddr'
> instead of 'ubuf' in __blk_rq_map_user() so that it can remove
> following warnings from sparse:
>
> block/blk-map.c:57:31: warning: incorrect type in argument 2 (different address spaces)
> block/blk-map.c:57:31: expected void *addr
> block/blk-map.c:57:31: got void [noderef] <asn:1>*ubuf
>
> However blk_rq_map_kern() needs one more local variable to handle it.

Thanks, applied to for-2.6.37/core

--
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/