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loco: Fix error handling. 

Fixes null pointer dereference / http://www.google-melange.com/gci/task/view/google/gci2011/7120335

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-24 15:39:41 +01:00
parent 58030fc6c8
commit 2bf09826c1
1 changed files with 4 additions and 1 deletions
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5
libavcodec/loco.c
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@ -123,6 +123,9 @@ static int loco_decode_plane(LOCOContext *l, uint8_t *data, int width, int heigh
int val;
int i, j;
if(buf_size<=0)
return -1;
init_get_bits(&rc.gb, buf, buf_size*8);
rc.save = 0;
rc.run = 0;
@ -225,7 +228,7 @@ static int decode_frame(AVCodecContext *avctx,
*data_size = sizeof(AVFrame);
*(AVFrame*)data = l->pic;
return buf_size;
return buf_size < 0 ? -1 : buf_size;
}
static av_cold int decode_init(AVCodecContext *avctx){