dxva2_deinterlace: fix undefined behavior when psz_mode is NULL

3 years ago · d0084e58f0
1 changed files with 1 additions and 1 deletions
--- a/modules/hw/d3d9/dxva2_deinterlace.c
+++ b/modules/hw/d3d9/dxva2_deinterlace.c
@ -413,7 +413,7 @@ int D3D9OpenDeinterlace(filter_t *filter)
        msg_Dbg(filter, "unknown mode %s, trying blend", psz_mode);
        p_mode = GetFilterMode("blend");
    }
-    if (strcmp(p_mode->psz_mode, psz_mode))
+    if (psz_mode == NULL || strcmp(p_mode->psz_mode, psz_mode))
        msg_Dbg(filter, "using %s deinterlacing mode", p_mode->psz_mode);

    DXVA2_VideoProcessorCaps caps, best_caps;