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avformat/img2dec: zero probe buffer

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Fixes use of uninitialized memory
Fixes valgrind failure

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-03-31 23:42:08 +02:00
parent 0cc8a62a78
commit 1f361124d9
1 changed files with 1 additions and 0 deletions
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libavformat/img2dec.c
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@ -361,6 +361,7 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
ret = avio_read(f[0], header, PROBE_BUF_MIN); ret = avio_read(f[0], header, PROBE_BUF_MIN);
if (ret < 0) if (ret < 0)
return ret; return ret;
memset(header + ret, 0, sizeof(header) - ret);
avio_skip(f[0], -ret); avio_skip(f[0], -ret);
pd.buf = header; pd.buf = header;
pd.buf_size = ret; pd.buf_size = ret;