On Thu, Feb 16, 2017 at 8:35 PM, Johannes Thumshirn <jthumshirn@xxxxxxx> wrote:
> On 02/16/2017 12:45 PM, Ming Lei wrote:
>> @@ -998,7 +998,8 @@ static void alloc_behind_pages(struct bio *bio, struct r1bio *r1_bio)
>> {
>> int i;
>> struct bio_vec *bvec;
>> - struct bio_vec *bvecs = kzalloc(bio->bi_vcnt * sizeof(struct bio_vec),
>> + unsigned vcnt = bio_segments_all(bio);
>> + struct bio_vec *bvecs = kzalloc(vcnt * sizeof(struct bio_vec),
>> GFP_NOIO);
>
> Maybe use kcalloc() instead of kzalloc() with a multiplication.
That doesn't belong to this patch, which just wants to remove direct
access to .bi_vcnt.
Thanks,
Ming Lei
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