Hi:
While merging the ahash patch I found this buglet in cryptd.
commit 34fe02eec1cf26f67070588a63252ca7a38c55c2
Author: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Wed May 7 21:10:13 2008 +0800
[CRYPTO] cryptd: Fix EINPROGRESS notification context
The EINPROGRESS notifications should be done just like the final
call-backs, i.e., with BH off. This patch fixes the call in cryptd
since previously it was called with BH on.
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index b150de5..f38e147 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -82,10 +82,8 @@ static void cryptd_blkcipher_crypt(struct ablkcipher_request *req,
rctx = ablkcipher_request_ctx(req);
- if (unlikely(err == -EINPROGRESS)) {
- rctx->complete(&req->base, err);
- return;
- }
+ if (unlikely(err == -EINPROGRESS))
+ goto out;
desc.tfm = child;
desc.info = req->info;
@@ -95,8 +93,9 @@ static void cryptd_blkcipher_crypt(struct ablkcipher_request *req,
req->base.complete = rctx->complete;
+out:
local_bh_disable();
- req->base.complete(&req->base, err);
+ rctx->complete(&req->base, err);
local_bh_enable();
}
Cheers,
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Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
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