From 0acd695a1854b22a94e3d3edd82e48bcba24340e Mon Sep 17 00:00:00 2001
From: Jan Vesely <jano.vesely@gmail.com>
Date: Fri, 2 Sep 2016 01:33:36 -0400
Subject: api: check kernel parameter before accessing it

Signed-off-by: Jan Vesely <jano.vesely@gmail.com>
Reviewed-by: Yang Rong <rong.r.yang@intel.com>
---
 src/cl_device_id.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cl_device_id.c b/src/cl_device_id.c
index 08cc0c0d..39132234 100644
--- a/src/cl_device_id.c
+++ b/src/cl_device_id.c
@@ -1157,12 +1157,12 @@ cl_get_kernel_workgroup_info(cl_kernel kernel,
 {
   int err = CL_SUCCESS;
   int dimension = 0;
+  CHECK_KERNEL(kernel);
   if (device == NULL)
     device = kernel->program->ctx->device;
   if (UNLIKELY(is_gen_device(device) == CL_FALSE))
     return CL_INVALID_DEVICE;
 
-  CHECK_KERNEL(kernel);
   switch (param_name) {
     case CL_KERNEL_WORK_GROUP_SIZE:
     {
-- 
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