No idea why in commit
01ecb7172b684f1c4b3e748f95c5a9a494ca36ec 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>
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);
}