control: shm - initialize write buffer

  ccontrol_shm.c: In function ‘snd_ctl_shm_action’:
  control_shm.c:54:23: error: invalid initializer
     54 |         char buf[1] = 0;
        |                       ^

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/control/control_shm.c b/src/control/control_shm.c
index c5723549367bdc41a57147241b4f2d66b8f570e5..d7297e6cbf1f689ab882e0d0bdf60221883b4ef0 100644 (file)
--- a/src/control/control_shm.c
+++ b/src/control/control_shm.c
@@ -51,7 +51,7 @@ static int snd_ctl_shm_action(snd_ctl_t *ctl)
 {
        snd_ctl_shm_t *shm = ctl->private_data;
        int err;
-       char buf[1];
+       char buf[1] = {0};
        volatile snd_ctl_shm_ctrl_t *ctrl = shm->ctrl;
        err = write(shm->socket, buf, 1);
        if (err != 1)