From 176155dac13f528e0a58c14dc322623219365d91 Mon Sep 17 00:00:00 2001
From: Tadeusz Struk <tadeusz.struk@intel.com>
Date: Wed, 21 Oct 2015 14:57:09 -0700
Subject: crypto: qat - don't use userspace pointer

Bugfix - don't dereference userspace pointer.

Cc: stable@vger.kernel.org
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/qat/qat_common/adf_ctl_drv.c b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
index 03856ad..473d36d 100644
--- a/drivers/crypto/qat/qat_common/adf_ctl_drv.c
+++ b/drivers/crypto/qat/qat_common/adf_ctl_drv.c
@@ -198,7 +198,7 @@ static int adf_copy_key_value_data(struct adf_accel_dev *accel_dev,
 			goto out_err;
 		}
 
-		params_head = section_head->params;
+		params_head = section.params;
 
 		while (params_head) {
 			if (copy_from_user(&key_val, (void __user *)params_head,
-- 
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