Commit 13cf394c authored by Lokesh Vutla's avatar Lokesh Vutla Committed by Herbert Xu
Browse files

crypto: omap-sham - Add the offset of sg page to vaddr



kmap_atomic() gives only the page address of the input page.
Driver should take care of adding the offset of the scatterlist
within the page to the returned page address.
omap-sham driver is not adding the offset to page and directly operates
on the return vale of kmap_atomic(), because of which the following
error comes when running crypto tests:

00000000: d9 a1 1b 7c aa 90 3b aa 11 ab cb 25 00 b8 ac bf
[    2.338169] 00000010: c1 39 cd ff 48 d0 a8 e2 2b fa 33 a1
[    2.344008] alg: hash: Chunking test 1 failed for omap-sha256

So adding the scatterlist offset to vaddr.
Signed-off-by: Lokesh Vutla's avatarLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 64a31be3
......@@ -640,6 +640,7 @@ static size_t omap_sham_append_sg(struct omap_sham_reqctx *ctx)
while (ctx->sg) {
vaddr = kmap_atomic(sg_page(ctx->sg));
vaddr += ctx->sg->offset;
count = omap_sham_append_buffer(ctx,
vaddr + ctx->offset,
......
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