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pcm: fix for the unitialized write buffer

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2022-05-19 17:35:08 +02:00
parent df621629d8
commit a53c2b25f1
2 changed files with 4 additions and 4 deletions
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2
aserver/aserver.c
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@ -530,7 +530,7 @@ transport_ops_t pcm_shm_ops = {
static int ctl_handler(waiter_t *waiter, unsigned short events) static int ctl_handler(waiter_t *waiter, unsigned short events)
{ {
client_t *client = waiter->private_data; client_t *client = waiter->private_data;
char buf[1]; char buf[1] = "";
ssize_t n; ssize_t n;
if (events & POLLIN) { if (events & POLLIN) {
n = write(client->poll_fd, buf, 1); n = write(client->poll_fd, buf, 1);

6
src/pcm/pcm_shm.c
View file

@ -61,7 +61,7 @@ static long snd_pcm_shm_action_fd0(snd_pcm_t *pcm, int *fd)
{ {
snd_pcm_shm_t *shm = pcm->private_data; snd_pcm_shm_t *shm = pcm->private_data;
int err; int err;
char buf[1]; char buf[1] = "";
volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl; volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
err = write(shm->socket, buf, 1); err = write(shm->socket, buf, 1);
@ -113,7 +113,7 @@ static long snd_pcm_shm_action(snd_pcm_t *pcm)
{ {
snd_pcm_shm_t *shm = pcm->private_data; snd_pcm_shm_t *shm = pcm->private_data;
int err, result; int err, result;
char buf[1]; char buf[1] = "";
volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl; volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
if (ctrl->hw.changed || ctrl->appl.changed) if (ctrl->hw.changed || ctrl->appl.changed)
@ -148,7 +148,7 @@ static long snd_pcm_shm_action_fd(snd_pcm_t *pcm, int *fd)
{ {
snd_pcm_shm_t *shm = pcm->private_data; snd_pcm_shm_t *shm = pcm->private_data;
int err; int err;
char buf[1]; char buf[1] = "";
volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl; volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
if (ctrl->hw.changed || ctrl->appl.changed) if (ctrl->hw.changed || ctrl->appl.changed)