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jpegls: Check memory allocation

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This commit is contained in:
Vittorio Giovara 2015-05-31 14:54:11 +02:00 committed by Luca Barbato
parent 7d2a682691
commit 7ca603f96f
1 changed files with 6 additions and 0 deletions
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6
libavcodec/jpeglsdec.c
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@ -278,10 +278,16 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
int off = 0, stride = 1, width, shift, ret = 0;
zero = av_mallocz(s->picture_ptr->linesize[0]);
if (!zero)
return AVERROR(ENOMEM);
last = zero;
cur = s->picture_ptr->data[0];
state = av_mallocz(sizeof(JLSState));
if (!state) {
av_free(zero);
return AVERROR(ENOMEM);
}
/* initialize JPEG-LS state from JPEG parameters */
state->near = near;
state->bpp = (s->bits < 2) ? 2 : s->bits;