summaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2023-08-03 10:26:16 +0200
committerBorislav Petkov (AMD) <bp@alien8.de>2023-08-03 16:37:18 +0200
commit6d33531bc0234332572ae612232d947f353a4450 (patch)
treedf47f7111c084c77199057e6c041fdb0d8ba745e /arch/x86
parent65412c8d72741cc6e6b082b478b8957d7e7c0480 (diff)
downloadlinux-stable-6d33531bc0234332572ae612232d947f353a4450.tar.gz
linux-stable-6d33531bc0234332572ae612232d947f353a4450.tar.bz2
linux-stable-6d33531bc0234332572ae612232d947f353a4450.zip
x86/purgatory: Include header for warn() declaration
The purgatory code uses parts of the decompressor and provides its own warn() function, but has to include the corresponding header file to avoid a -Wmissing-prototypes warning. It turns out that this function prototype actually differs from the declaration, so change it to get a constant pointer in the declaration and the other definition as well. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20230803082619.1369127-5-arnd@kernel.org
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/boot/compressed/error.c2
-rw-r--r--arch/x86/boot/compressed/error.h2
-rw-r--r--arch/x86/purgatory/purgatory.c1
3 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/error.c b/arch/x86/boot/compressed/error.c
index 5313c5cb2b80..19a8251de506 100644
--- a/arch/x86/boot/compressed/error.c
+++ b/arch/x86/boot/compressed/error.c
@@ -7,7 +7,7 @@
#include "misc.h"
#include "error.h"
-void warn(char *m)
+void warn(const char *m)
{
error_putstr("\n\n");
error_putstr(m);
diff --git a/arch/x86/boot/compressed/error.h b/arch/x86/boot/compressed/error.h
index 86fe33b93715..31f9e080d61a 100644
--- a/arch/x86/boot/compressed/error.h
+++ b/arch/x86/boot/compressed/error.h
@@ -4,7 +4,7 @@
#include <linux/compiler.h>
-void warn(char *m);
+void warn(const char *m);
void error(char *m) __noreturn;
void panic(const char *fmt, ...) __noreturn __cold;
diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c
index 7558139920f8..aea47e793963 100644
--- a/arch/x86/purgatory/purgatory.c
+++ b/arch/x86/purgatory/purgatory.c
@@ -14,6 +14,7 @@
#include <crypto/sha2.h>
#include <asm/purgatory.h>
+#include "../boot/compressed/error.h"
#include "../boot/string.h"
u8 purgatory_sha256_digest[SHA256_DIGEST_SIZE] __section(".kexec-purgatory");