| Message ID | 20241013051239.22564-2-jonathan@marek.ca |
|---|---|
| State | New |
| Headers | show |
| Series | efi/libstub: fix efi_parse_options() ignoring the default command line | expand |
diff --git a/drivers/firmware/efi/libstub/efi-stub.c b/drivers/firmware/efi/libstub/efi-stub.c index 958a680e0660d..2a1b43f9e0fa2 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[0] == 0) { status = efi_parse_options(CONFIG_CMDLINE); if (status != EFI_SUCCESS) { efi_err("Failed to parse options\n");
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 check if the string starts with a NUL character 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@marek.ca> --- drivers/firmware/efi/libstub/efi-stub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)