[FFmpeg-cvslog] avfilter/drawutils: Fix format validity check in ff_draw_init()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Jun 13 00:06:28 2015 +0200| [e0db41316a94d85c1d6ab7ebeaf1f4b5e0f3c76a] | committer: Michael Niedermayer

avfilter/drawutils: Fix format validity check in ff_draw_init()

Found-by: Daemon404
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e0db41316a94d85c1d6ab7ebeaf1f4b5e0f3c76a
---

 libavfilter/drawutils.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index 0b2f17e..3a1abbd 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -160,7 +160,7 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
     unsigned i, nb_planes = 0;
     int pixelstep[MAX_PLANES] = { 0 };
 
-    if (!desc->name)
+    if (!desc || !desc->name)
         return AVERROR(EINVAL);
     if (desc->flags & ~(AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_PSEUDOPAL | AV_PIX_FMT_FLAG_ALPHA))
         return AVERROR(ENOSYS);