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From: Arvind Sankar <nivedita@alum.mit.edu>
To: Ard Biesheuvel <ardb@kernel.org>, linux-efi@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 1/3] efi/libstub: Stop parsing arguments at "--"
Date: Thu, 13 Aug 2020 14:58:09 -0400
Message-ID: <20200813185811.554051-2-nivedita@alum.mit.edu> (raw)
In-Reply-To: <20200813185811.554051-1-nivedita@alum.mit.edu>

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

Signed-off-by: Arvind Sankar <nivedita@alum.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


  reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-13 18:58 [PATCH 0/3] Three small fixes to cmdline parsing Arvind Sankar
2020-08-13 18:58 ` Arvind Sankar [this message]
2020-08-13 18:58 ` [PATCH 2/3] efi/libstub: Handle NULL cmdline Arvind Sankar
2020-08-13 18:58 ` [PATCH 3/3] efi/libstub: Handle unterminated cmdline Arvind Sankar
2020-08-14  6:28 ` [PATCH 0/3] Three small fixes to cmdline parsing Ard Biesheuvel

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