Merge "audio_hw: close mmap file descriptor to fix leak"
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 94c9c50..6377696 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -4183,6 +4183,13 @@
if (out->usecase == USECASE_AUDIO_PLAYBACK_MMAP) {
do_stop = out->playback_started;
out->playback_started = false;
+
+ if (out->mmap_shared_memory_fd >= 0) {
+ ALOGV("%s: closing mmap_shared_memory_fd = %d",
+ __func__, out->mmap_shared_memory_fd);
+ close(out->mmap_shared_memory_fd);
+ out->mmap_shared_memory_fd = -1;
+ }
}
} else {
ALOGD("copl(%p):standby", out);
@@ -6110,6 +6117,9 @@
// Fall back to non exclusive mode
info->shared_memory_fd = pcm_get_poll_fd(out->pcm);
} else {
+ out->mmap_shared_memory_fd = info->shared_memory_fd; // for closing later
+ ALOGV("%s: opened mmap_shared_memory_fd = %d", __func__, out->mmap_shared_memory_fd);
+
if (mmap_size < buffer_size) {
step = "mmap";
goto exit;
@@ -6256,6 +6266,12 @@
} else if (in->usecase == USECASE_AUDIO_RECORD_MMAP) {
do_stop = in->capture_started;
in->capture_started = false;
+ if (in->mmap_shared_memory_fd >= 0) {
+ ALOGV("%s: closing mmap_shared_memory_fd = %d",
+ __func__, in->mmap_shared_memory_fd);
+ close(in->mmap_shared_memory_fd);
+ in->mmap_shared_memory_fd = -1;
+ }
} else {
if (audio_extn_cin_attached_usecase(in->usecase))
audio_extn_cin_close_input_stream(in);
@@ -6984,6 +7000,9 @@
// Fall back to non exclusive mode
info->shared_memory_fd = pcm_get_poll_fd(in->pcm);
} else {
+ in->mmap_shared_memory_fd = info->shared_memory_fd; // for closing later
+ ALOGV("%s: opened mmap_shared_memory_fd = %d", __func__, in->mmap_shared_memory_fd);
+
if (mmap_size < buffer_size) {
step = "mmap";
goto exit;
@@ -7208,6 +7227,7 @@
out->set_dual_mono = false;
out->prev_card_status_offline = false;
out->pspd_coeff_sent = false;
+ out->mmap_shared_memory_fd = -1; // not open
if ((flags & AUDIO_OUTPUT_FLAG_BD) &&
(property_get_bool("vendor.audio.matrix.limiter.enable", false)))
@@ -8725,6 +8745,7 @@
in->zoom = 0;
list_init(&in->aec_list);
list_init(&in->ns_list);
+ in->mmap_shared_memory_fd = -1; // not open
ALOGV("%s: source %d, config->channel_mask %#x", __func__, source, config->channel_mask);
if (source == AUDIO_SOURCE_VOICE_UPLINK ||
diff --git a/hal/audio_hw.h b/hal/audio_hw.h
index 9b7bf5b..ebdaa97 100644
--- a/hal/audio_hw.h
+++ b/hal/audio_hw.h
@@ -368,6 +368,7 @@
bool muted;
uint64_t written; /* total frames written, not cleared when entering standby */
int64_t mmap_time_offset_nanos; /* fudge factor to correct inaccuracies in DSP */
+ int mmap_shared_memory_fd; /* file descriptor associated with MMAP NOIRQ shared memory */
audio_io_handle_t handle;
struct stream_app_type_cfg app_type_cfg;
@@ -456,6 +457,7 @@
struct listnode aec_list;
struct listnode ns_list;
int64_t mmap_time_offset_nanos; /* fudge factor to correct inaccuracies in DSP */
+ int mmap_shared_memory_fd; /* file descriptor associated with MMAP NOIRQ shared memory */
audio_io_handle_t capture_handle;
audio_input_flags_t flags;
char profile[MAX_STREAM_PROFILE_STR_LEN];