diff options
| author | Harald Hoyer <harald@redhat.com> | 2018-09-03 13:57:54 +0200 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2018-09-03 14:10:38 +0200 |
| commit | 15720d03400f3e0a3b87f0fd7f54ac9f657c7a41 (patch) | |
| tree | 854be8ce928899c5e3646d291d55b83f5bb2e143 /src/boot/efi/stub.c | |
| parent | 81375d802672f34205bef9f301c58854af5fc568 (diff) | |
| download | systemd-15720d03400f3e0a3b87f0fd7f54ac9f657c7a41.tar.gz | |
boot/efi/stub.c: fix Dell LoadOptions
On Dell machines LoadOptions is filled with:
01 00 00 00 <name of BIOS Boot Loader Entry> ... <unknown bytes>
So, in case of meaningfull LoadOptions, better check if the first char
is a printable character.
Diffstat (limited to 'src/boot/efi/stub.c')
| -rw-r--r-- | src/boot/efi/stub.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/boot/efi/stub.c b/src/boot/efi/stub.c index 15cdfca2a3..5c97b54691 100644 --- a/src/boot/efi/stub.c +++ b/src/boot/efi/stub.c @@ -68,7 +68,7 @@ EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) { cmdline_len = szs[0]; /* if we are not in secure boot mode, accept a custom command line and replace the built-in one */ - if (!secure && loaded_image->LoadOptionsSize > 0 && *(CHAR16 *)loaded_image->LoadOptions != 0) { + if (!secure && loaded_image->LoadOptionsSize > 0 && *(CHAR16 *)loaded_image->LoadOptions > 0x1F) { CHAR16 *options; CHAR8 *line; UINTN i; |