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lavc/psymodel: check for av_malloc failure 

No idea why in commit 01ecb7172b the
checks were removed; this can lead to NULL pointer dereferences. This
effectively reverts that portion of the commit.

Reviewed-by: Benoit Fouet <benoit.fouet@free.fr>
Reviewed-by: Rostislav Pehlivanov <atomnuker@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanag@gmail.com>
This commit is contained in:
Ganesh Ajjanagadde 2016-03-02 20:14:08 -05:00
parent b098e1a469
commit 8dbffda0f9
1 changed files with 6 additions and 1 deletions
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7
libavcodec/psymodel.c
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@ -120,7 +120,12 @@ av_cold struct FFPsyPreprocessContext* ff_psy_preprocess_init(AVCodecContext *av
FF_FILTER_MODE_LOWPASS, FILT_ORDER,
cutoff_coeff, 0.0, 0.0);
if (ctx->fcoeffs) {
ctx->fstate = av_mallocz(sizeof(ctx->fstate[0]) * avctx->channels);
ctx->fstate = av_mallocz_array(sizeof(ctx->fstate[0]), avctx->channels);
if (!ctx->fstate) {
av_free(ctx->fcoeffs);
av_free(ctx);
return NULL;
}
for (i = 0; i < avctx->channels; i++)
ctx->fstate[i] = ff_iir_filter_init_state(FILT_ORDER);
}