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| author |   Vutla, Lokesh <lokeshvutla@ti.com> | 2015-04-02 15:32:45 +0530 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-03 17:53:32 +0800 |
| commit | 13cf394c8c79b5655cdc76f7ae0d9869a1434103 (patch) | |
| tree | 00f2a68b409cfd24881af5c466fa5a76db8a8933 /drivers/crypto/omap-sham.c | |
| parent | crypto: qat - fix checkpatch CODE_INDENT issue (diff) | |
| download | linux-dev-13cf394c8c79b5655cdc76f7ae0d9869a1434103.tar.xz linux-dev-13cf394c8c79b5655cdc76f7ae0d9869a1434103.zip | |
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 <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/omap-sham.c')
| -rw-r--r-- | drivers/crypto/omap-sham.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index 21fd515068c5..4d63e0d4da9a 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -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, |