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 03856ad280b9349d650a0d06723a9f9da31e7c75..473d36d91644c2a00010d89dfc280d08c7ed343e 100644 (file)
--- 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,