initramfs: shorten cmd_initfs in usr/Makefile

Avoid repetition of long variables.

No functional change intended.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>

diff --git a/usr/Makefile b/usr/Makefile
index 132ef7e96e6d5da8cbf4ebc3ddf24f5632f1ed5f..f1779496bca78b4a56651b6af7221675ec7ade7a 100644 (file)
--- a/usr/Makefile
+++ b/usr/Makefile
@@ -62,8 +62,8 @@ $(deps_initramfs): ;
 quiet_cmd_initfs = GEN     $@
       cmd_initfs = \
        $(CONFIG_SHELL) $< -o $@ -l $(obj)/.initramfs_data.cpio.d \
-       $(if $(CONFIG_INITRAMFS_ROOT_UID), -u $(CONFIG_INITRAMFS_ROOT_UID)) \
-       $(if $(CONFIG_INITRAMFS_ROOT_GID), -g $(CONFIG_INITRAMFS_ROOT_GID)) \
+       $(addprefix -u , $(CONFIG_INITRAMFS_ROOT_UID)) \
+       $(addprefix -g , $(CONFIG_INITRAMFS_ROOT_GID)) \
        $(if $(KBUILD_BUILD_TIMESTAMP), -d "$(KBUILD_BUILD_TIMESTAMP)") \
        $(ramfs-input)