linux-kernel - [PATCH] efi/libstub: Stop parsing arguments at "--"

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Message-Id: <20200725155916.1376773-1-nivedita@alum.mit.edu>
Date:   Sat, 25 Jul 2020 11:59:16 -0400
From:   Arvind Sankar <nivedita@...m.mit.edu>
To:     linux-efi@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] efi/libstub: Stop parsing arguments at "--"

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

Signed-off-by: Arvind Sankar <nivedita@...m.mit.edu>
---
 drivers/firmware/efi/libstub/efi-stub-helper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 6bca70bbb43d..37ff34e7b85e 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -201,6 +201,8 @@ efi_status_t efi_parse_options(char const *cmdline)
 		char *param, *val;
 
 		str = next_arg(str, &param, &val);
+		if (!val && !strcmp(param, "--"))
+			break;
 
 		if (!strcmp(param, "nokaslr")) {
 			efi_nokaslr = true;
-- 
2.26.2