[PATCH v3 5/8] gen_initramfs.sh: use gen_init_cpio -o parameter

David Disseldorp
2025-08-19T03:50:48Z

gen_init_cpio can now write to a file directly, so use it when
gen_initramfs.sh is called with -o (e.g. usr/Makefile invocation).

Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
---
usr/gen_initramfs.sh | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/usr/gen_initramfs.sh b/usr/gen_initramfs.sh
index 14b5782f961a8..7eba2fddf0ef2 100755
--- a/usr/gen_initramfs.sh
+++ b/usr/gen_initramfs.sh
@@ -193,7 +193,8 @@ root_gid=0
dep_list=
timestamp=
cpio_list=$(mktemp ${TMPDIR:-/tmp}/cpiolist.XXXXXX)
-output="/dev/stdout"
+# gen_init_cpio writes to stdout by default
+output=""

trap "rm -f $cpio_list" EXIT

@@ -207,7 +208,7 @@ while [ $# -gt 0 ]; do
shift
;;
"-o") # generate cpio image named $1
- output="$1"
+ output="-o $1"
shift
;;
"-u") # map $1 to uid=0 (root)
@@ -246,4 +247,4 @@ done

# If output_file is set we will generate cpio archive
# we are careful to delete tmp files
-usr/gen_init_cpio $timestamp $cpio_list > $output
+usr/gen_init_cpio $output $timestamp $cpio_list
--
2.43.0