From: Antoine Ténart <antoine.tenart@free-electrons.com>
Date: Thu, 15 Jun 2017 07:56:26 +0000 (+0200)
Subject: crypto: inside-secure - get the backlog before dequeueing the request
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b1deb47ad10b71a7d62dfdb049735a1be2214eb2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

crypto: inside-secure - get the backlog before dequeueing the request

Get the backlog before dequeuing the request otherwise we'll miss the
first request in line.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c
index 8ae133a9e3f2..8f195e031938 100644
--- a/drivers/crypto/inside-secure/safexcel.c
+++ b/drivers/crypto/inside-secure/safexcel.c
@@ -431,8 +431,8 @@ void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring)
 
 	do {
 		spin_lock_bh(&priv->ring[ring].queue_lock);
-		req = crypto_dequeue_request(&priv->ring[ring].queue);
 		backlog = crypto_get_backlog(&priv->ring[ring].queue);
+		req = crypto_dequeue_request(&priv->ring[ring].queue);
 		spin_unlock_bh(&priv->ring[ring].queue_lock);
 
 		if (!req)