bzip2/lzma: don't leave empty files around on failure

Impact: Bugfix, silent build failures

Fix a bug in gen_initramfs_list.sh: in case of failure, it left an
empty output file behind, messing up the next make.

Signed-off-by: Alain Knaff <alain@knaff.lu>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 41041e4923f7..3eea8f15131b 100644
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -292,7 +292,8 @@ if [ ! -z ${output_file} ]; then
         if [ "${is_cpio_compressed}" = "compressed" ]; then
                 cat ${cpio_tfile} > ${output_file}
         else
-                cat ${cpio_tfile} | ${compr}  - > ${output_file}
+                (cat ${cpio_tfile} | ${compr}  - > ${output_file}) \
+                || (rm -f ${output_file} ; false)
         fi
         [ -z ${cpio_file} ] && rm ${cpio_tfile}
 fi