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authorDavid S. Miller <davem@davemloft.net>2012-11-18 07:00:43 +0400
committerDavid S. Miller <davem@davemloft.net>2012-11-18 07:00:43 +0400
commit67f4efdce7d85282fbd5832cddc80a07eb89b6d6 (patch)
tree9a1771ef13b27abdf8cf172e5b7556ab93e5c48c /crypto/cryptd.c
parentc53aa5058ad5ca8876a47d6639ad4d4f2c5ed584 (diff)
parentf4a75d2eb7b1e2206094b901be09adb31ba63681 (diff)
downloadlinux-67f4efdce7d85282fbd5832cddc80a07eb89b6d6.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor line offset auto-merges. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/cryptd.c')
-rw-r--r--crypto/cryptd.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 671d4d6d14df..7bdd61b867c8 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;