[package] uhttpd: break tight loop when receiving eof during header reading (#7904)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/package/uhttpd/src@22988 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 4 insertions, 0 deletions

diff --git a/uhttpd.c b/uhttpd.c
index 6f5e616..a818e1c 100644
--- a/uhttpd.c
+++ b/uhttpd.c
@@ -401,6 +401,10 @@ static struct http_request * uh_http_header_recv(struct client *cl)
 			{
 				ensure_out(rlen = uh_tcp_recv(cl, bufptr, rlen));
 
+				/* unexpected eof - #7904 */
+				if( rlen == 0 )
+					return NULL;
+
 				blen -= rlen;
 				bufptr += rlen;
 			}