[FFmpeg-cvslog] avfilter/af_atempo: Properly check av_tx_init()

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Wed May 22 09:29:49 2024 +0200| [35e7fa0a2e6d9bf7c44eac3b6ee2ce5eaca21c35] | committer: Andreas Rheinhardt

avfilter/af_atempo: Properly check av_tx_init()

Fixes Coverity issue #1516804.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=35e7fa0a2e6d9bf7c44eac3b6ee2ce5eaca21c35
---

 libavfilter/af_atempo.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/libavfilter/af_atempo.c b/libavfilter/af_atempo.c
index 0c36eb4dd7..1aedb82060 100644
--- a/libavfilter/af_atempo.c
+++ b/libavfilter/af_atempo.c
@@ -269,6 +269,7 @@ static int yae_reset(ATempoContext *atempo,
     uint32_t nlevels  = 0;
     float scale = 1.f, iscale = 1.f;
     uint32_t pot;
+    int ret;
     int i;
 
     atempo->format   = format;
@@ -300,16 +301,18 @@ static int yae_reset(ATempoContext *atempo,
     av_tx_uninit(&atempo->real_to_complex);
     av_tx_uninit(&atempo->complex_to_real);
 
-    av_tx_init(&atempo->real_to_complex, &atempo->r2c_fn, AV_TX_FLOAT_RDFT, 0, 1 << (nlevels + 1), &scale, 0);
-    if (!atempo->real_to_complex) {
+    ret = av_tx_init(&atempo->real_to_complex, &atempo->r2c_fn,
+                     AV_TX_FLOAT_RDFT, 0, 1 << (nlevels + 1), &scale, 0);
+    if (ret < 0) {
         yae_release_buffers(atempo);
-        return AVERROR(ENOMEM);
+        return ret;
     }
 
-    av_tx_init(&atempo->complex_to_real, &atempo->c2r_fn, AV_TX_FLOAT_RDFT, 1, 1 << (nlevels + 1), &iscale, 0);
-    if (!atempo->complex_to_real) {
+    ret = av_tx_init(&atempo->complex_to_real, &atempo->c2r_fn,
+                     AV_TX_FLOAT_RDFT, 1, 1 << (nlevels + 1), &iscale, 0);
+    if (ret < 0) {
         yae_release_buffers(atempo);
-        return AVERROR(ENOMEM);
+        return ret;
     }
 
     RE_MALLOC_OR_FAIL(atempo->correlation_in, (atempo->window + 1), sizeof(AVComplexFloat));