From: Luca Boccassi <bluca@debian.org>
Date: Thu, 11 May 2023 23:49:57 +0000 (+0100)
Subject: efi: support passing empty cmdline to mangle_stub_cmdline()
X-Git-Tag: v254-rc1~382^2~8
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e715d82de6694d82a17921b5ccbcf47398604068;p=thirdparty%2Fsystemd.git

efi: support passing empty cmdline to mangle_stub_cmdline()

Just return instead of crashing
---

diff --git a/src/boot/efi/util.c b/src/boot/efi/util.c
index d5a23338fe5..42526d70053 100644
--- a/src/boot/efi/util.c
+++ b/src/boot/efi/util.c
@@ -268,6 +268,9 @@ char16_t *xstr8_to_path(const char *str8) {
 void mangle_stub_cmdline(char16_t *cmdline) {
         char16_t *p = cmdline;
 
+        if (!cmdline)
+                return;
+
         for (; *cmdline != '\0'; cmdline++)
                 /* Convert ASCII control characters to spaces. */
                 if (*cmdline <= 0x1F)