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.
Byte,
Johannes
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