[Libva] [libva][libva-intel-driver][PATCH] Fix segmentation fault caused by 4711da5

[Xiang, Haihao]

The corresponding pointer is NULL if VAProcFilterSkinToneEnhancement
isn't enabled in the pipeline

Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
---
 src/gen75_vpp_vebox.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/gen75_vpp_vebox.c b/src/gen75_vpp_vebox.c
index b541b32..3eb5040 100644
--- a/src/gen75_vpp_vebox.c
+++ b/src/gen75_vpp_vebox.c
@@ -565,13 +565,14 @@ void set_std_table_9(struct intel_vebox_context *proc_ctx, unsigned int *p_table
 void hsw_veb_iecp_std_table(VADriverContextP ctx, struct intel_vebox_context *proc_ctx)
 {
     unsigned int *p_table = proc_ctx->iecp_state_table.ptr + 0 ;
-    int stde_factor = 0; //default value
-    VAProcFilterParameterBuffer * std_param = (VAProcFilterParameterBuffer *) proc_ctx->filter_iecp_std;
-    stde_factor = std_param->value;
 
     if(!(proc_ctx->filters_mask & VPP_IECP_STD_STE)){ 
         memset(p_table, 0, 29 * 4);
     }else{
+        int stde_factor = 0; //default value
+        VAProcFilterParameterBuffer * std_param = (VAProcFilterParameterBuffer *) proc_ctx->filter_iecp_std;
+        stde_factor = std_param->value;
+
         //DWord 0
         *p_table ++ = ( 154 << 24 |   // V_Mid
                         110 << 16 |   // U_Mid
-- 
1.9.1