[FFmpeg-cvslog] vf_scale_vaapi: Add missing return value checks

[Mark Thompson]

ffmpeg | branch: master | Mark Thompson <sw at jkqxz.net> | Mon Jan  9 00:59:50 2017 +0000| [326b1ed93e25f2b2d505ee88325fabb190d8c275] | committer: Mark Thompson

vf_scale_vaapi: Add missing return value checks

Fixes CID 1374119.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=326b1ed93e25f2b2d505ee88325fabb190d8c275
---

 libavfilter/vf_scale_vaapi.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/libavfilter/vf_scale_vaapi.c b/libavfilter/vf_scale_vaapi.c
index 604cd95..5e6298a 100644
--- a/libavfilter/vf_scale_vaapi.c
+++ b/libavfilter/vf_scale_vaapi.c
@@ -65,11 +65,14 @@ static int scale_vaapi_query_formats(AVFilterContext *avctx)
     enum AVPixelFormat pix_fmts[] = {
         AV_PIX_FMT_VAAPI, AV_PIX_FMT_NONE,
     };
+    int err;
 
-    ff_formats_ref(ff_make_format_list(pix_fmts),
-                   &avctx->inputs[0]->out_formats);
-    ff_formats_ref(ff_make_format_list(pix_fmts),
-                   &avctx->outputs[0]->in_formats);
+    if ((err = ff_formats_ref(ff_make_format_list(pix_fmts),
+                              &avctx->inputs[0]->out_formats)) < 0)
+        return err;
+    if ((err = ff_formats_ref(ff_make_format_list(pix_fmts),
+                              &avctx->outputs[0]->in_formats)) < 0)
+        return err;
 
     return 0;
 }