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dixie: prevent read of uninitialized memory

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When reallocating the framebuffer storage, clear references to the
freed memory to prevent it from being accessed.

Change-Id: Ib496b06be469328e8e269f905dc4c9cb6d453a27
This commit is contained in:
John Koleszar
2011-02-01 16:15:45 -05:00
parent dbb7db5b43
commit e75a400cd3
1 changed files with 1 additions and 0 deletions
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vp8/dixie/predict.c
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@@ -1633,6 +1633,7 @@ vp8_dixie_predict_init(struct vp8_decoder_ctx *ctx)
vpx_img_free(&ctx->frame_strg[i].img); vpx_img_free(&ctx->frame_strg[i].img);
ctx->frame_strg[i].ref_cnt = 0; ctx->frame_strg[i].ref_cnt = 0;
ctx->ref_frames[i] = NULL;
if (!vpx_img_alloc(&ctx->frame_strg[i].img, if (!vpx_img_alloc(&ctx->frame_strg[i].img,
IMG_FMT_I420, w, h, 16)) IMG_FMT_I420, w, h, 16))