From ef600041ba1afb84b9caed44f43deb1000651340 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Fri, 25 Jul 2014 14:30:59 +0200
Subject: [PATCH] audio, client API: check mp_make_wakeup_pipe() return value

Could fail e.g. due to FD exhaustion.
---
 audio/out/push.c | 12 +++++++-----
 player/client.c  |  7 ++++---
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/audio/out/push.c b/audio/out/push.c
index 0ecba19da7..0fb6cb3e29 100644
--- a/audio/out/push.c
+++ b/audio/out/push.c
@@ -364,17 +364,19 @@ static int init(struct ao *ao)
     pthread_mutex_init(&p->lock, NULL);
     pthread_cond_init(&p->wakeup, NULL);
     pthread_cond_init(&p->wakeup_drain, NULL);
-    mp_make_wakeup_pipe(p->wakeup_pipe);
+    if (mp_make_wakeup_pipe(p->wakeup_pipe) < 0)
+        goto err;
 
     p->buffer = mp_audio_buffer_create(ao);
     mp_audio_buffer_reinit_fmt(p->buffer, ao->format,
                                &ao->channels, ao->samplerate);
     mp_audio_buffer_preallocate_min(p->buffer, ao->buffer);
-    if (pthread_create(&p->thread, NULL, playthread, ao)) {
-        ao->driver->uninit(ao);
-        return -1;
-    }
+    if (pthread_create(&p->thread, NULL, playthread, ao))
+        goto err;
     return 0;
+err:
+    ao->driver->uninit(ao);
+    return -1;
 }
 
 const struct ao_driver ao_api_push = {
diff --git a/player/client.c b/player/client.c
index e7a993dd0e..0a64dd855d 100644
--- a/player/client.c
+++ b/player/client.c
@@ -1331,11 +1331,12 @@ int mpv_get_wakeup_pipe(mpv_handle *ctx)
 {
     pthread_mutex_lock(&ctx->wakeup_lock);
     if (ctx->wakeup_pipe[0] == -1) {
-        mp_make_wakeup_pipe(ctx->wakeup_pipe);
-        write(ctx->wakeup_pipe[1], &(char){0}, 1);
+        if (mp_make_wakeup_pipe(ctx->wakeup_pipe) >= 0)
+            write(ctx->wakeup_pipe[1], &(char){0}, 1);
     }
+    int fd = ctx->wakeup_pipe[0];
     pthread_mutex_unlock(&ctx->wakeup_lock);
-    return ctx->wakeup_pipe[0];
+    return fd;
 }
 
 unsigned long mpv_client_api_version(void)