From d205c8f3bbdebd4c2396f68e91066e0195ad5e6c Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Sun, 25 Mar 2018 21:23:54 -0300
Subject: [PATCH] avcodec/avpacket: remove unnecessary check in
 av_packet_make_writable()

Zero sized packets are already handled below in the function.
This is more in line with av_packet_ref().

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/avpacket.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index 0693ca6f62f..09934819613 100644
--- a/libavcodec/avpacket.c
+++ b/libavcodec/avpacket.c
@@ -660,9 +660,6 @@ int av_packet_make_writable(AVPacket *pkt)
     if (pkt->buf && av_buffer_is_writable(pkt->buf))
         return 0;
 
-    if (!pkt->data)
-        return AVERROR(EINVAL);
-
     ret = packet_alloc(&buf, pkt->size);
     if (ret < 0)
         return ret;
-- 
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