[CRYPTO]: Fix hmac_digest from the SG breakage.

Crypto now uses SG helper functions.  Fix hmac_digest to use those
functions correctly and fix the oops associated with it.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 1 deletions

diff --git a/crypto/hmac.c b/crypto/hmac.c
index 6691981bda11..e3f5c0f3e2f7 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -158,9 +158,11 @@ static int hmac_digest(struct hash_desc *pdesc, struct scatterlist *sg,
         desc.tfm = ctx->child;
         desc.flags = pdesc->flags & CRYPTO_TFM_REQ_MAY_SLEEP;
 
+        sg_init_table(sg1, 2);
         sg_set_buf(sg1, ipad, bs);
+        sg_set_page(&sg1[1], (void *) sg, 0, 0);
 
-        sg_set_page(&sg[1], (void *) sg, 0, 0);
+        sg_init_table(sg2, 1);
         sg_set_buf(sg2, opad, bs + ds);
 
         err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);