Re: [PATCH v2 07/21] crypto: shash, caam: Make use of the new sg_map helper function

Very straightforward conversion to the new function in the caam driver and shash library. Signed-off-by: Logan Gunthorpe <logang(a)deltatee.com&gt; Cc: Herbert Xu <herbert(a)gondor.apana.org.au&gt; Cc: "David S. Miller" <davem(a)davemloft.net&gt; --- crypto/shash.c | 9 ++++++--- drivers/crypto/caam/caamalg.c | 8 +++----- 2 files changed, 9 insertions(+), 8 deletions(-) diff --git a/crypto/shash.c b/crypto/shash.c index 5e31c8d..5914881 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -283,10 +283,13 @@ int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc) if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) { void *data; - data = kmap_atomic(sg_page(sg)); - err = crypto_shash_digest(desc, data + offset, nbytes, + data = sg_map(sg, 0, SG_KMAP_ATOMIC); + if (IS_ERR(data)) + return PTR_ERR(data); + + err = crypto_shash_digest(desc, data, nbytes, req->result); - kunmap_atomic(data); + sg_unmap(sg, data, 0, SG_KMAP_ATOMIC); crypto_yield(desc->flags); } else err = crypto_shash_init(desc) ?: