[FFmpeg-cvslog] avformat/protocols: Fix ff_urlcontext_child_class_next()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Feb 29 19:04:54 2016 +0100| [4899c02c385f8ab4b2be14b2e7fa5d6bfdcfa2a1] | committer: Michael Niedermayer

avformat/protocols: Fix ff_urlcontext_child_class_next()

This fixes -read_ahead_limit

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4899c02c385f8ab4b2be14b2e7fa5d6bfdcfa2a1
---

 libavformat/protocols.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/protocols.c b/libavformat/protocols.c
index f374970..77cd3a4 100644
--- a/libavformat/protocols.c
+++ b/libavformat/protocols.c
@@ -215,7 +215,7 @@ const AVClass *ff_urlcontext_child_class_next(const AVClass *prev)
     int i;
 
     /* find the protocol that corresponds to prev */
-    for (i = 0; url_protocols[i]; i++) {
+    for (i = 0; prev && url_protocols[i]; i++) {
         if (url_protocols[i]->priv_data_class == prev) {
             i++;
             break;