From 3e9991b535b0caa25e45879fda4c92bd160e6ac7 Mon Sep 17 00:00:00 2001 From: "Ryan C. Gordon" Date: Mon, 26 Jun 2023 21:26:48 -0400 Subject: [PATCH] audio: Make sure we don't write to a NULL pointer. (This _probably_ never happens in the current codebase, but just in case.) --- src/audio/SDL_audiocvt.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c index f9f43ed444..c33daf6ac9 100644 --- a/src/audio/SDL_audiocvt.c +++ b/src/audio/SDL_audiocvt.c @@ -1119,7 +1119,9 @@ int SDL_ClearAudioStream(SDL_AudioStream *stream) SDL_LockMutex(stream->lock); SDL_ClearDataQueue(stream->queue, (size_t)stream->packetlen * 2); - SDL_memset(stream->history_buffer, SDL_GetSilenceValueForFormat(stream->src_spec.format), stream->history_buffer_frames * stream->src_spec.channels * sizeof (float)); + if (stream->history_buffer != NULL) { + SDL_memset(stream->history_buffer, SDL_GetSilenceValueForFormat(stream->src_spec.format), stream->history_buffer_frames * stream->src_spec.channels * sizeof (float)); + } stream->future_buffer_filled_frames = 0; stream->flushed = SDL_FALSE; SDL_UnlockMutex(stream->lock);