From af41e3423d3296b022d673371375fd3571745e9c Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Mon, 16 Nov 2020 15:36:51 +0100
Subject: [PATCH] pulse-server: handle recv of 0 bytes

0 bytes from recv means EOS and we can disconnect the client instead
of looping forever.
---
 src/modules/module-protocol-pulse/pulse-server.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/modules/module-protocol-pulse/pulse-server.c b/src/modules/module-protocol-pulse/pulse-server.c
index 421e8e544..67f96a769 100644
--- a/src/modules/module-protocol-pulse/pulse-server.c
+++ b/src/modules/module-protocol-pulse/pulse-server.c
@@ -4656,7 +4656,11 @@ static int do_read(struct client *client)
 		size = client->message->length - idx;
 	}
 	while (true) {
-		if ((r = recv(client->source->fd, data, size, MSG_DONTWAIT)) < 0) {
+		r = recv(client->source->fd, data, size, MSG_DONTWAIT);
+		if (r == 0 && size != 0) {
+			res = -EPIPE;
+			goto exit;
+		} else if (r < 0) {
 			if (errno == EINTR)
 		                continue;
 			res = -errno;