[PATCH 21/48] klp-build: Validate patch file existence

Josh Poimboeuf
2026-04-23T04:04:34Z

Make sure all patch files actually exist. Otherwise there can be
confusing errors later.

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
scripts/livepatch/klp-build | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/scripts/livepatch/klp-build b/scripts/livepatch/klp-build
index e2f0eb8fdc7f..115f68db49c9 100755
--- a/scripts/livepatch/klp-build
+++ b/scripts/livepatch/klp-build
@@ -157,6 +157,7 @@ process_args() {
local short
local long
local args
+ local patch

short="hfj:o:vdS:T"
long="help,show-first-changed,jobs:,output:,no-replace,verbose,debug,short-circuit:,keep-tmp"
@@ -235,6 +236,10 @@ process_args() {

KEEP_TMP="$keep_tmp"
PATCHES=("$@")
+
+ for patch in "${PATCHES[@]}"; do
+ [[ -f "$patch" ]] || die "$patch doesn't exist"
+ done
}

# temporarily disable xtrace for especially verbose code
--
2.53.0