efi_convert_cmdline() always returns a size of at least 1 because it counts
the NUL terminator, so the "cmdline_size == 0" condition is not possible.
Change it to compare against 1 to get the intended behavior: to use
CONFIG_CMDLINE when load_options_size is 0.
Fixes: 60f38de7a8d4 ("efi/libstub: Unify command line param parsing")
Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx>
---
drivers/firmware/efi/libstub/efi-stub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c
index 958a680e0660d..709ae2d41a632 100644
--- a/drivers/firmware/efi/libstub/efi-stub.c
+++ b/drivers/firmware/efi/libstub/efi-stub.c
@@ -129,7 +129,7 @@ efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr)
if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) ||
IS_ENABLED(CONFIG_CMDLINE_FORCE) ||
- cmdline_size == 0) {
+ cmdline_size == 1) {
status = efi_parse_options(CONFIG_CMDLINE);
if (status != EFI_SUCCESS) {
efi_err("Failed to parse options\n");
--
2.45.1
