2016-01-26 00:43:26

by Megha Dey

[permalink] [raw]
Subject: [PATCH] crypto : sha1-mb : Add missing args_digest offset

From: Megha Dey <[email protected]>

The _args_digest is defined as _args+_digest, both of which are the first
members of 2 separate structures, effectively yielding _args_digest to have
a value of zero. Thus, no errors have spawned yet due to this. To ensure
sanity, adding the missing _args_digest offset to the sha1_mb_mgr_submit.S.

Signed-off-by: Megha Dey <[email protected]>
---
arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S b/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S
index 2ab9560..c420d89 100644
--- a/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S
+++ b/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S
@@ -197,7 +197,7 @@ len_is_0:
vpinsrd $1, _args_digest+1*32(state , idx, 4), %xmm0, %xmm0
vpinsrd $2, _args_digest+2*32(state , idx, 4), %xmm0, %xmm0
vpinsrd $3, _args_digest+3*32(state , idx, 4), %xmm0, %xmm0
- movl 4*32(state, idx, 4), DWORD_tmp
+ movl _args_digest+4*32(state, idx, 4), DWORD_tmp

vmovdqu %xmm0, _result_digest(job_rax)
movl DWORD_tmp, _result_digest+1*16(job_rax)
--
1.9.1


2016-01-26 01:17:58

by Tim Chen

[permalink] [raw]
Subject: Re: [PATCH] crypto : sha1-mb : Add missing args_digest offset

On Mon, 2016-01-25 at 16:46 -0800, Megha Dey wrote:
> From: Megha Dey <[email protected]>
>
> The _args_digest is defined as _args+_digest, both of which are the first
> members of 2 separate structures, effectively yielding _args_digest to have
> a value of zero. Thus, no errors have spawned yet due to this. To ensure
> sanity, adding the missing _args_digest offset to the sha1_mb_mgr_submit.S.
>

Thanks for cleaning this up.

Acked-by: Tim Chen <[email protected]>

> Signed-off-by: Megha Dey <[email protected]>
> ---
> arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S b/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S
> index 2ab9560..c420d89 100644
> --- a/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S
> +++ b/arch/x86/crypto/sha-mb/sha1_mb_mgr_submit_avx2.S
> @@ -197,7 +197,7 @@ len_is_0:
> vpinsrd $1, _args_digest+1*32(state , idx, 4), %xmm0, %xmm0
> vpinsrd $2, _args_digest+2*32(state , idx, 4), %xmm0, %xmm0
> vpinsrd $3, _args_digest+3*32(state , idx, 4), %xmm0, %xmm0
> - movl 4*32(state, idx, 4), DWORD_tmp
> + movl _args_digest+4*32(state, idx, 4), DWORD_tmp
>
> vmovdqu %xmm0, _result_digest(job_rax)
> movl DWORD_tmp, _result_digest+1*16(job_rax)

2016-01-27 14:16:53

by Herbert Xu

[permalink] [raw]
Subject: Re: [PATCH] crypto : sha1-mb : Add missing args_digest offset

On Mon, Jan 25, 2016 at 04:46:09PM -0800, Megha Dey wrote:
> From: Megha Dey <[email protected]>
>
> The _args_digest is defined as _args+_digest, both of which are the first
> members of 2 separate structures, effectively yielding _args_digest to have
> a value of zero. Thus, no errors have spawned yet due to this. To ensure
> sanity, adding the missing _args_digest offset to the sha1_mb_mgr_submit.S.
>
> Signed-off-by: Megha Dey <[email protected]>

Applied.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt