efi: fix devpath_is_partition()
If the path consists only of an end node, it does not refer to a partition.
Avoid returning a random value from the stack in this case.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c
index 1e5606c..2209410 100644
--- a/lib/efi/efi_app.c
+++ b/lib/efi/efi_app.c
@@ -190,7 +190,7 @@
static bool devpath_is_partition(const struct efi_device_path *path)
{
const struct efi_device_path *p;
- bool was_part;
+ bool was_part = false;
for (p = path; p->type != DEVICE_PATH_TYPE_END;
p = (void *)p + p->length) {