From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 31 May 2013 09:17:02 +0000 (+0200)
Subject: ustream: only report a write error once via state_change callback
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=commitdiff_plain;h=70e7c09bcb846e51edefa8baab2018e93d77f8e2

ustream: only report a write error once via state_change callback

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/ustream.c b/ustream.c
index 719af99..88f1332 100644
--- a/ustream.c
+++ b/ustream.c
@@ -330,8 +330,9 @@ char *ustream_get_read_buf(struct ustream *s, int *buflen)
 
 static void ustream_write_error(struct ustream *s)
 {
+	if (!s->write_error)
+		ustream_state_change(s);
 	s->write_error = true;
-	ustream_state_change(s);
 }
 
 bool ustream_write_pending(struct ustream *s)