avfilter/vf_fftdnoiz: Check return value of av_tx_init()

Should fix Coverity issue #1500329.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 11 insertions, 7 deletions

diff --git a/libavfilter/vf_fftdnoiz.c b/libavfilter/vf_fftdnoiz.c
index e74f40b4cb..7b20ad367d 100644
--- a/libavfilter/vf_fftdnoiz.c
+++ b/libavfilter/vf_fftdnoiz.c
@@ -208,13 +208,17 @@ static int config_input(AVFilterLink *inlink)
 
     for (int i = 0; i < s->nb_threads; i++) {
         float scale = 1.f, iscale = 1.f;
-
-        av_tx_init(&s->fft[i],  &s->tx_fn,  AV_TX_FLOAT_FFT, 0, s->block_size, &scale,  0);
-        av_tx_init(&s->ifft[i], &s->itx_fn, AV_TX_FLOAT_FFT, 1, s->block_size, &iscale, 0);
-        av_tx_init(&s->fft_r[i],  &s->tx_r_fn,  AV_TX_FLOAT_FFT, 0, 1 + s->nb_prev + s->nb_next, &scale,  0);
-        av_tx_init(&s->ifft_r[i], &s->itx_r_fn, AV_TX_FLOAT_FFT, 1, 1 + s->nb_prev + s->nb_next, &iscale, 0);
-        if (!s->fft[i] || !s->ifft[i] || !s->fft_r[i] || !s->ifft_r[i])
-            return AVERROR(ENOMEM);
+        int ret;
+
+        if ((ret = av_tx_init(&s->fft[i],    &s->tx_fn,    AV_TX_FLOAT_FFT,
+                              0, s->block_size,               &scale,  0)) < 0 ||
+            (ret = av_tx_init(&s->ifft[i],   &s->itx_fn,   AV_TX_FLOAT_FFT,
+                              1, s->block_size,               &iscale, 0)) < 0 ||
+            (ret = av_tx_init(&s->fft_r[i],  &s->tx_r_fn,  AV_TX_FLOAT_FFT,
+                              0, 1 + s->nb_prev + s->nb_next, &scale,  0)) < 0 ||
+            (ret = av_tx_init(&s->ifft_r[i], &s->itx_r_fn, AV_TX_FLOAT_FFT,
+                              1, 1 + s->nb_prev + s->nb_next, &iscale, 0)) < 0)
+            return ret;
     }
 
     for (i = 0; i < s->nb_planes; i++) {