From be16cf67b4d8c345704d53e52d72ceed11e11157 Mon Sep 17 00:00:00 2001
From: Rolf Neugebauer <rolf.neugebauer@docker.com>
Date: Sat, 1 Apr 2017 16:22:35 +0100
Subject: [PATCH] tools: Fix make-efi script

mkfs.vfat prints output (even without the -v option) which ends up
in front of the ISO, which is cat'ed to stdout. This made the generated
ISO unbootable. Redirect stdout of mkfs.vfat to /dev/null.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
---
 tools/mkimage-iso-efi/make-efi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/mkimage-iso-efi/make-efi b/tools/mkimage-iso-efi/make-efi
index e8a0c09ce..a5fe3b255 100755
--- a/tools/mkimage-iso-efi/make-efi
+++ b/tools/mkimage-iso-efi/make-efi
@@ -41,7 +41,7 @@ mkdir -p iso
 # headroom seems to be enough; (x+31)/32*32 rounds up to multiple of 32.
 mkfs.vfat -v -C iso/efi.raw \
         $(( ($(stat -c %s "mobylinux.efi") / 1024 + 511) \
-		/ 32 * 32 ))
+		/ 32 * 32 )) > /dev/null
 echo "mtools_skip_check=1" >> /etc/mtools.conf && \
 mmd -i iso/efi.raw ::/EFI
 mmd -i iso/efi.raw ::/EFI/BOOT