klp-build: Fix hang on out-of-date .config

If .config is out of date with the kernel source, 'make syncconfig'
hangs while waiting for user input on new config options.  Detect the
mismatch and return an error.

Fixes: 6f93f7b068 ("livepatch/klp-build: Fix inconsistent kernel version")
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
This commit is contained in:
Josh Poimboeuf
2026-04-02 19:47:10 -07:00
parent a375e327b6
commit cc39ccce7d
+6 -1
View File
@@ -306,7 +306,12 @@ set_kernelversion() {
stash_file "$file"
kernelrelease="$(cd "$SRC" && make syncconfig &>/dev/null && make -s kernelrelease)"
if [[ -n "$(make -s listnewconfig 2>/dev/null)" ]]; then
die ".config mismatch, check your .config or run 'make olddefconfig'"
fi
make syncconfig &>/dev/null || die "make syncconfig failed"
kernelrelease="$(make -s kernelrelease)"
[[ -z "$kernelrelease" ]] && die "failed to get kernel version"
sed -i "2i echo $kernelrelease; exit 0" scripts/setlocalversion