dm: prefer kmap_local_page() instead of deprecated kmap_atomic()

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 7f48256db9b2..e892e52e961f 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -532,9 +532,9 @@ static int crypt_iv_lmk_gen(struct crypt_config *cc, u8 *iv,
 
 	if (bio_data_dir(dmreq->ctx->bio_in) == WRITE) {
 		sg = crypt_get_sg_data(cc, dmreq->sg_in);
-		src = kmap_atomic(sg_page(sg));
+		src = kmap_local_page(sg_page(sg));
 		r = crypt_iv_lmk_one(cc, iv, dmreq, src + sg->offset);
-		kunmap_atomic(src);
+		kunmap_local(src);
 	} else
 		memset(iv, 0, cc->iv_size);
 
@@ -552,14 +552,14 @@ static int crypt_iv_lmk_post(struct crypt_config *cc, u8 *iv,
 		return 0;
 
 	sg = crypt_get_sg_data(cc, dmreq->sg_out);
-	dst = kmap_atomic(sg_page(sg));
+	dst = kmap_local_page(sg_page(sg));
 	r = crypt_iv_lmk_one(cc, iv, dmreq, dst + sg->offset);
 
 	/* Tweak the first block of plaintext sector */
 	if (!r)
 		crypto_xor(dst + sg->offset, iv, cc->iv_size);
 
-	kunmap_atomic(dst);
+	kunmap_local(dst);
 	return r;
 }
 
@@ -682,9 +682,9 @@ static int crypt_iv_tcw_gen(struct crypt_config *cc, u8 *iv,
 	/* Remove whitening from ciphertext */
 	if (bio_data_dir(dmreq->ctx->bio_in) != WRITE) {
 		sg = crypt_get_sg_data(cc, dmreq->sg_in);
-		src = kmap_atomic(sg_page(sg));
+		src = kmap_local_page(sg_page(sg));
 		r = crypt_iv_tcw_whitening(cc, dmreq, src + sg->offset);
-		kunmap_atomic(src);
+		kunmap_local(src);
 	}
 
 	/* Calculate IV */
@@ -708,9 +708,9 @@ static int crypt_iv_tcw_post(struct crypt_config *cc, u8 *iv,
 
 	/* Apply whitening on ciphertext */
 	sg = crypt_get_sg_data(cc, dmreq->sg_out);
-	dst = kmap_atomic(sg_page(sg));
+	dst = kmap_local_page(sg_page(sg));
 	r = crypt_iv_tcw_whitening(cc, dmreq, dst + sg->offset);
-	kunmap_atomic(dst);
+	kunmap_local(dst);
 
 	return r;
 }
@@ -975,15 +975,15 @@ static int crypt_iv_elephant(struct crypt_config *cc, struct dm_crypt_request *d
 		goto out;
 
 	sg = crypt_get_sg_data(cc, dmreq->sg_out);
-	data = kmap_atomic(sg_page(sg));
+	data = kmap_local_page(sg_page(sg));
 	data_offset = data + sg->offset;
 
 	/* Cannot modify original bio, copy to sg_out and apply Elephant to it */
 	if (bio_data_dir(dmreq->ctx->bio_in) == WRITE) {
 		sg2 = crypt_get_sg_data(cc, dmreq->sg_in);
-		data2 = kmap_atomic(sg_page(sg2));
+		data2 = kmap_local_page(sg_page(sg2));
 		memcpy(data_offset, data2 + sg2->offset, cc->sector_size);
-		kunmap_atomic(data2);
+		kunmap_local(data2);
 	}
 
 	if (bio_data_dir(dmreq->ctx->bio_in) != WRITE) {
@@ -1003,7 +1003,7 @@ static int crypt_iv_elephant(struct crypt_config *cc, struct dm_crypt_request *d
 		diffuser_cpu_to_disk((__le32*)data_offset, cc->sector_size / sizeof(u32));
 	}
 
-	kunmap_atomic(data);
+	kunmap_local(data);
 out:
 	kfree_sensitive(ks);
 	kfree_sensitive(es);