block/bio-integrity: use struct_size() in kmalloc()

Use the new struct_size() helper to keep code simple.

Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Jackie Liu <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Jackie Liu authored and Jens Axboe committed 2019-05-16 08:48:48 -06:00
1 parent 47ca23c117
commit 7a102d9044
1 file changed
+1 -2
+1 -2
View File
@@ -43,8 +43,7 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio,
unsigned inline_vecs;
if (!bs || !mempool_initialized(&bs->bio_integrity_pool)) {
bip = kmalloc(sizeof(struct bio_integrity_payload) +
sizeof(struct bio_vec) * nr_vecs, gfp_mask);
bip = kmalloc(struct_size(bip, bip_inline_vecs, nr_vecs), gfp_mask);
inline_vecs = nr_vecs;
} else {
bip = mempool_alloc(&bs->bio_integrity_pool, gfp_mask);