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truemotion2: check return value of av_malloc(z) 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-08-28 16:48:15 +00:00
parent f3ace37a3b
commit d49f2603be
1 changed files with 10 additions and 0 deletions
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10
libavcodec/truemotion2.c
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@ -173,6 +173,11 @@ static int tm2_build_huff_table(TM2Context *ctx, TM2Codes *code)
huff.bits = av_mallocz(huff.max_num * sizeof(uint32_t)); huff.bits = av_mallocz(huff.max_num * sizeof(uint32_t));
huff.lens = av_mallocz(huff.max_num * sizeof(int)); huff.lens = av_mallocz(huff.max_num * sizeof(int));
if (!huff.nums || !huff.bits || !huff.lens) {
res = AVERROR(ENOMEM);
goto fail;
}
res = tm2_read_tree(ctx, 0, 0, &huff); res = tm2_read_tree(ctx, 0, 0, &huff);
if (huff.num != huff.max_num) { if (huff.num != huff.max_num) {
@ -194,10 +199,15 @@ static int tm2_build_huff_table(TM2Context *ctx, TM2Codes *code)
code->bits = huff.max_bits; code->bits = huff.max_bits;
code->length = huff.max_num; code->length = huff.max_num;
code->recode = av_malloc(code->length * sizeof(int)); code->recode = av_malloc(code->length * sizeof(int));
if (!code->recode) {
res = AVERROR(ENOMEM);
goto fail;
}
for (i = 0; i < code->length; i++) for (i = 0; i < code->length; i++)
code->recode[i] = huff.nums[i]; code->recode[i] = huff.nums[i];
} }
} }
fail:
/* free allocated memory */ /* free allocated memory */
av_free(huff.nums); av_free(huff.nums);
av_free(huff.bits); av_free(huff.bits);