[PATCH] [CRYPTO]: Fix hmac_digest from the SG breakage.

[Vlad Yasevich]

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@xxxxxx>
---
 crypto/hmac.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/crypto/hmac.c b/crypto/hmac.c
index e4eb6ac..8b7a832 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -158,10 +158,12 @@ 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(&sg[1], (void *) sg);
+	sg_set_page(&sg1[1], (void *) sg);
 	sg1[1].length = 0;
+
+	sg_init_table(sg2, 1);
 	sg_set_buf(sg2, opad, bs + ds);
 
 	err = crypto_hash_digest(&desc, sg1, nbytes + bs, digest);
-- 
1.5.2.4

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