From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 30 Dec 2012 14:46:18 +0000 (+0100)
Subject: ustream: suppress write attempts in ustream_printf and ustream_vprintf if a write... 
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Flibubox.git;a=commitdiff_plain;h=84822fd6d529abc35bf8023403d547f8001bf5f3;hp=975ac3e5e30f1106b6b4ea69c8cbf10c7ce8483e

ustream: suppress write attempts in ustream_printf and ustream_vprintf if a write error was flagged

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

diff --git a/ustream.c b/ustream.c
index 8e6efcd..9c14678 100644
--- a/ustream.c
+++ b/ustream.c
@@ -435,6 +435,9 @@ int ustream_vprintf(struct ustream *s, const char *format, va_list arg)
 	va_list arg2;
 	int wr, maxlen, buflen;
 
+	if (s->write_error)
+		return 0;
+
 	if (!l->data_bytes) {
 		buf = alloca(MAX_STACK_BUFLEN);
 		va_copy(arg2, arg);
@@ -493,6 +496,9 @@ int ustream_printf(struct ustream *s, const char *format, ...)
 	va_list arg;
 	int ret;
 
+	if (s->write_error)
+		return 0;
+
 	va_start(arg, format);
 	ret = ustream_vprintf(s, format, arg);
 	va_end(arg);