From 6d6e23361fc732e4fe36a8bc5873b85f264ed53a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 8 Oct 2024 16:50:11 +0400 Subject: hw/audio/hda: fix memory leak on audio setup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When SET_STREAM_FORMAT is called, we should clear the existing setup. Factor out common function to close a stream. Direct leak of 144 byte(s) in 3 object(s) allocated from: #0 0x7f91d38f7350 in calloc (/lib64/libasan.so.8+0xf7350) (BuildId: a4ad7eb954b390cf00f07fa10952988a41d9fc7a) #1 0x7f91d2ab7871 in g_malloc0 (/lib64/libglib-2.0.so.0+0x64871) (BuildId: 36b60dbd02e796145a982d0151ce37202ec05649) #2 0x562fa2f447ee in timer_new_full /home/elmarco/src/qemu/include/qemu/timer.h:538 #3 0x562fa2f4486f in timer_new /home/elmarco/src/qemu/include/qemu/timer.h:559 #4 0x562fa2f448a9 in timer_new_ns /home/elmarco/src/qemu/include/qemu/timer.h:577 #5 0x562fa2f47955 in hda_audio_setup ../hw/audio/hda-codec.c:490 #6 0x562fa2f4897e in hda_audio_command ../hw/audio/hda-codec.c:605 Signed-off-by: Marc-André Lureau Reviewed-by: Akihiko Odaki Message-ID: <20241008125028.1177932-3-marcandre.lureau@redhat.com> --- hw/audio/hda-codec.c | 33 ++++++++++++++++++++------------- 1 file changed, 20 insertions(+), 13 deletions(-) diff --git a/hw/audio/hda-codec.c b/hw/audio/hda-codec.c index 74c0292..bc66150 100644 --- a/hw/audio/hda-codec.c +++ b/hw/audio/hda-codec.c @@ -472,6 +472,24 @@ static void hda_audio_set_amp(HDAAudioStream *st) } } +static void hda_close_stream(HDAAudioState *a, HDAAudioStream *st) +{ + if (st->node == NULL) { + return; + } + if (a->use_timer) { + timer_free(st->buft); + st->buft = NULL; + } + if (st->output) { + AUD_close_out(&a->card, st->voice.out); + st->voice.out = NULL; + } else { + AUD_close_in(&a->card, st->voice.in); + st->voice.in = NULL; + } +} + static void hda_audio_setup(HDAAudioStream *st) { bool use_timer = st->state->use_timer; @@ -484,6 +502,7 @@ static void hda_audio_setup(HDAAudioStream *st) trace_hda_audio_format(st->node->name, st->as.nchannels, fmt2name[st->as.fmt], st->as.freq); + hda_close_stream(st->state, st); if (st->output) { if (use_timer) { cb = hda_audio_output_cb; @@ -741,23 +760,11 @@ static void hda_audio_init(HDACodecDevice *hda, static void hda_audio_exit(HDACodecDevice *hda) { HDAAudioState *a = HDA_AUDIO(hda); - HDAAudioStream *st; int i; dprint(a, 1, "%s\n", __func__); for (i = 0; i < ARRAY_SIZE(a->st); i++) { - st = a->st + i; - if (st->node == NULL) { - continue; - } - if (a->use_timer) { - timer_free(st->buft); - } - if (st->output) { - AUD_close_out(&a->card, st->voice.out); - } else { - AUD_close_in(&a->card, st->voice.in); - } + hda_close_stream(a, a->st + i); } AUD_remove_card(&a->card); } -- cgit v1.1