From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 22 Mar 2014 17:21:01 +0000 (+0100)
Subject: check for length > 0 before calling ustream_write
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6ee437e845ad57a8f86dc4f3fbbaddfd487de059;p=project%2Fuclient.git

check for length > 0 before calling ustream_write

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

diff --git a/uclient-http.c b/uclient-http.c
index c3d1d5a..c344513 100644
--- a/uclient-http.c
+++ b/uclient-http.c
@@ -741,7 +741,8 @@ uclient_http_send_data(struct uclient *cl, char *buf, unsigned int len)
 	uclient_http_send_headers(uh);
 
 	ustream_printf(uh->us, "%X\r\n", len);
-	ustream_write(uh->us, buf, len, false);
+	if (len > 0)
+		ustream_write(uh->us, buf, len, false);
 	ustream_printf(uh->us, "\r\n");
 
 	return len;