From 1df72275faab0b0c948230d14480e55e0ef7dbfe Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 30 Sep 2020 11:18:59 +0200
Subject: [slx-dmsetup] Fix another dd call

---
 modules.d/slx-dmsetup/scripts/dmsetup-slx-device | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules.d/slx-dmsetup/scripts/dmsetup-slx-device b/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
index 4085b1cf..fd9a7175 100755
--- a/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
+++ b/modules.d/slx-dmsetup/scripts/dmsetup-slx-device
@@ -181,7 +181,7 @@ ramdisk_fallback() {
 
 	# create sparse file there
 	local file="$(mktemp -u -p "$cow_tmpfs" dnbd_cow.XXX)"
-	if ! dd of="$file" seek="$(( read_only_device_size / 2 ))" bs=1k count=0 &> /dev/null; then
+	if ! dd if=/dev/null of="$file" seek="$(( read_only_device_size / 2 ))" bs=1k 2> /dev/null; then
 		emergency_shell "Failed to allocate CoW file $file."
 	fi
 	declare -rg writable_device="$(losetup --show --find "$file")"
-- 
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