[PATCH 5.7 121/124] efi/libstub: Stop parsing arguments at "--"

[Greg Kroah-Hartman]

From: Arvind Sankar <nived...@alum.mit.edu>

commit 1fd9717d75df68e3c3509b8e7b1138ca63472f88 upstream.

Arguments after "--" are arguments for init, not for the kernel.

Cc: <sta...@vger.kernel.org>
Signed-off-by: Arvind Sankar <nived...@alum.mit.edu>
Link: https://lore.kernel.org/r/20200725155916.1376773-1-nived...@alum.mit.edu
Signed-off-by: Ard Biesheuvel <a...@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/firmware/efi/libstub/efi-stub-helper.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -87,6 +87,8 @@ efi_status_t efi_parse_options(char cons
                char *param, *val;
 
                str = next_arg(str, &param, &val);
+               if (!val && !strcmp(param, "--"))
+                       break;
 
                if (!strcmp(param, "nokaslr")) {
                        efi_nokaslr = true;