avcodec/roqvideoenc: clear freed pointers

Avoid leaving stale pointers in memory

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 7 insertions, 7 deletions

diff --git a/libavcodec/roqvideoenc.c b/libavcodec/roqvideoenc.c
index 1c5970f68b..694792e059 100644
--- a/libavcodec/roqvideoenc.c
+++ b/libavcodec/roqvideoenc.c
@@ -936,8 +936,8 @@ static int roq_encode_video(RoqContext *enc)
     FFSWAP(motion_vect *, enc->last_motion4, enc->this_motion4);
     FFSWAP(motion_vect *, enc->last_motion8, enc->this_motion8);
 
-    av_free(tempData->cel_evals);
-    av_free(tempData->closest_cb2);
+    av_freep(&tempData->cel_evals);
+    av_freep(&tempData->closest_cb2);
 
     enc->framesSinceKeyframe++;
 
@@ -951,11 +951,11 @@ static av_cold int roq_encode_end(AVCodecContext *avctx)
     av_frame_free(&enc->current_frame);
     av_frame_free(&enc->last_frame);
 
-    av_free(enc->tmpData);
-    av_free(enc->this_motion4);
-    av_free(enc->last_motion4);
-    av_free(enc->this_motion8);
-    av_free(enc->last_motion8);
+    av_freep(&enc->tmpData);
+    av_freep(&enc->this_motion4);
+    av_freep(&enc->last_motion4);
+    av_freep(&enc->this_motion8);
+    av_freep(&enc->last_motion8);
 
     return 0;
 }