Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto bugfix from Herbert Xu:
 "Fix a bug in the cryptd code that may lead to crashes"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: cryptd - initialize child shash_desc on import

diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 77207b4..0c654e5 100644 (file)
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -631,9 +631,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out)
 
 static int cryptd_hash_import(struct ahash_request *req, const void *in)
 {
-       struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req);
+       struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+       struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm);
+       struct shash_desc *desc = cryptd_shash_desc(req);
+
+       desc->tfm = ctx->child;
+       desc->flags = req->base.flags;
 
-       return crypto_shash_import(&rctx->desc, in);
+       return crypto_shash_import(desc, in);
 }
 
 static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb,