[FFmpeg-cvslog] avcodec/mpegvideo: simplify check for av_frame_alloc

[Limin Wang]

ffmpeg | branch: master | Limin Wang <lance.lmwang at gmail.com> | Tue Jun  2 23:36:54 2020 +0800| [d3b29612009b65a83e626ef8800abc244df80f97] | committer: Limin Wang

avcodec/mpegvideo: simplify check for av_frame_alloc

Signed-off-by: Limin Wang <lance.lmwang at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d3b29612009b65a83e626ef8800abc244df80f97
---

 libavcodec/mpegvideo.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index eb73198b75..d3327e47cc 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -941,17 +941,10 @@ av_cold int ff_mpv_common_init(MpegEncContext *s)
         if (!s->picture[i].f)
             goto fail_nomem;
     }
-    s->next_picture.f = av_frame_alloc();
-    if (!s->next_picture.f)
-        goto fail_nomem;
-    s->last_picture.f = av_frame_alloc();
-    if (!s->last_picture.f)
-        goto fail_nomem;
-    s->current_picture.f = av_frame_alloc();
-    if (!s->current_picture.f)
-        goto fail_nomem;
-    s->new_picture.f = av_frame_alloc();
-    if (!s->new_picture.f)
+    if (!(s->next_picture.f    = av_frame_alloc()) ||
+        !(s->last_picture.f    = av_frame_alloc()) ||
+        !(s->current_picture.f = av_frame_alloc()) ||
+        !(s->new_picture.f     = av_frame_alloc()))
         goto fail_nomem;
 
     if ((ret = init_context_frame(s)))