X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=crypto%2Fcryptd.c;h=d85fab975514c0b493ed84b2264c7c4d966f7d2e;hb=0a9c9f4c380d57954574e8682c04b850eed7c15d;hp=671d4d6d14df106b3b0278364340ef3290d7a185;hpb=22097fd297c85ec6c2e700d506f231f7cae442e1;p=pandora-kernel.git

diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 671d4d6d14df..d85fab975514 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -137,13 +137,18 @@ static void cryptd_queue_worker(struct work_struct *work)
 	struct crypto_async_request *req, *backlog;
 
 	cpu_queue = container_of(work, struct cryptd_cpu_queue, work);
-	/* Only handle one request at a time to avoid hogging crypto
-	 * workqueue. preempt_disable/enable is used to prevent
-	 * being preempted by cryptd_enqueue_request() */
+	/*
+	 * Only handle one request at a time to avoid hogging crypto workqueue.
+	 * preempt_disable/enable is used to prevent being preempted by
+	 * cryptd_enqueue_request(). local_bh_disable/enable is used to prevent
+	 * cryptd_enqueue_request() being accessed from software interrupts.
+	 */
+	local_bh_disable();
 	preempt_disable();
 	backlog = crypto_get_backlog(&cpu_queue->queue);
 	req = crypto_dequeue_request(&cpu_queue->queue);
 	preempt_enable();
+	local_bh_enable();
 
 	if (!req)
 		return;
@@ -560,9 +565,14 @@ 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,
@@ -950,3 +960,4 @@ module_exit(cryptd_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Software async crypto daemon");
+MODULE_ALIAS_CRYPTO("cryptd");