From: Michael Chang <mchang@suse.com>
Date: Wed, 6 Apr 2016 10:19:14 +0000 (+0800)
Subject: http: fix superfluous null line in range request header
X-Git-Tag: 2.02-rc1~81
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=abf9beb7d667d3604774753cf698c439c6fbc736;p=thirdparty%2Fgrub.git

http: fix superfluous null line in range request header

At least the apache sever is very unhappy with that extra null line and will
take more than ten seconds in responding to each range request, which slows
down a lot the entire http file transfer process or even time out.
---

diff --git a/grub-core/net/http.c b/grub-core/net/http.c
index 4684f8b33..a7c5101a1 100644
--- a/grub-core/net/http.c
+++ b/grub-core/net/http.c
@@ -381,9 +381,8 @@ http_establish (struct grub_file *file, grub_off_t offset, int initial)
       ptr = nb->tail;
       grub_snprintf ((char *) ptr,
 		     sizeof ("Range: bytes=XXXXXXXXXXXXXXXXXXXX-"
-			     "\r\n"
 			     "\r\n"),
-		     "Range: bytes=%" PRIuGRUB_UINT64_T "-\r\n\r\n",
+		     "Range: bytes=%" PRIuGRUB_UINT64_T "-\r\n",
 		     offset);
       grub_netbuff_put (nb, grub_strlen ((char *) ptr));
     }