X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=block%2Fbio-integrity.c;h=6b47cddbbca175bbf7ce419b00c4b68f138b4d01;hb=07281a257a6868b900da5de1eda808c9e20253f1;hp=4b4eb8964a6f986a0983b455068d350b1b389ea6;hpb=fd38651716b45f817a542c34cd5336ff372d06e6;p=linux-2.6-microblaze.git

diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 4b4eb8964a6f..6b47cddbbca1 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -104,8 +104,7 @@ void bio_integrity_free(struct bio *bio)
 	struct bio_set *bs = bio->bi_pool;
 
 	if (bip->bip_flags & BIP_BLOCK_INTEGRITY)
-		kfree(page_address(bip->bip_vec->bv_page) +
-		      bip->bip_vec->bv_offset);
+		kfree(bvec_virt(bip->bip_vec));
 
 	__bio_integrity_free(bs, bip);
 	bio->bi_integrity = NULL;
@@ -163,27 +162,23 @@ static blk_status_t bio_integrity_process(struct bio *bio,
 	struct bio_vec bv;
 	struct bio_integrity_payload *bip = bio_integrity(bio);
 	blk_status_t ret = BLK_STS_OK;
-	void *prot_buf = page_address(bip->bip_vec->bv_page) +
-		bip->bip_vec->bv_offset;
 
 	iter.disk_name = bio->bi_bdev->bd_disk->disk_name;
 	iter.interval = 1 << bi->interval_exp;
 	iter.seed = proc_iter->bi_sector;
-	iter.prot_buf = prot_buf;
+	iter.prot_buf = bvec_virt(bip->bip_vec);
 
 	__bio_for_each_segment(bv, bio, bviter, *proc_iter) {
-		void *kaddr = kmap_atomic(bv.bv_page);
+		void *kaddr = bvec_kmap_local(&bv);
 
-		iter.data_buf = kaddr + bv.bv_offset;
+		iter.data_buf = kaddr;
 		iter.data_size = bv.bv_len;
-
 		ret = proc_fn(&iter);
-		if (ret) {
-			kunmap_atomic(kaddr);
-			return ret;
-		}
+		kunmap_local(kaddr);
+
+		if (ret)
+			break;
 
-		kunmap_atomic(kaddr);
 	}
 	return ret;
 }