Re: [PATCH] blk_rq_map_user_iov: fix error override

[Jens Axboe]

On 1/14/18 3:00 PM, Douglas Gilbert wrote:
> During stress tests by syzkaller on the sg driver the block layer
> infrequently returns EINVAL. Closer inspection shows the block
> layer was trying to return ENOMEM (which is much more
> understandable) but for some reason overroad that useful error.
> 
> Patch below does not show this (unchanged) line:
>    ret =__blk_rq_map_user_iov(rq, map_data, &i, gfp_mask, copy);
> That 'ret' was being overridden when that function failed.

Thanks, applied.

-- 
Jens Axboe