crypto: scatterwalk - Add missing sg_init_table to scatterwalk_ffwd

We need to call sg_init_table as otherwise the first entry may
inadvertently become the last.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 8690324d3aefdcbf4ab428b26e56efe25792726b..2ef9cbbc5dbf326904bac71359e559402b1cd35b 100644 (file)
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -158,6 +158,7 @@ struct scatterlist *scatterwalk_ffwd(struct scatterlist dst[2],
                src = sg_next(src);
        }
 
+       sg_init_table(dst, 2);
        sg_set_page(dst, sg_page(src), src->length - len, src->offset + len);
        scatterwalk_crypto_chain(dst, sg_next(src), 0, 2);