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vp9_dx_iface: check for NULL/0-size input

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avoids a crash caused by issue #585

Change-Id: I301595ee0227699b0da6f0dad6d870dd546e94ef
This commit is contained in:
James Zern 2013-08-14 18:35:22 -07:00
parent bb072000e8
commit 20395189cd
1 changed files with 2 additions and 0 deletions
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vp9/vp9_dx_iface.c
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@ -368,6 +368,8 @@ static vpx_codec_err_t vp9_decode(vpx_codec_alg_priv_t *ctx,
uint32_t sizes[8];
int frames_this_pts, frame_count = 0;
if (data == NULL || data_sz == 0) return VPX_CODEC_INVALID_PARAM;
parse_superframe_index(data, data_sz, sizes, &frames_this_pts);
do {