[PATCH 1/1] efi: fix devpath_is_partition()

Heinrich Schuchardt heinrich.schuchardt at canonical.com
Mon Apr 25 23:23:38 CEST 2022


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 at canonical.com>
---
 lib/efi/efi_app.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c
index 1e5606c7b8..2209410f35 100644
--- a/lib/efi/efi_app.c
+++ b/lib/efi/efi_app.c
@@ -190,7 +190,7 @@ static void free_memory(struct efi_priv *priv)
 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) {
-- 
2.34.1



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