[tip: x86/cleanups] x86/boot/string: Add missing function prototypes

[tip-bot2 for Kees Cook]

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     bc7aaf52f963674690510e6c1f3710cd0394b25e
Gitweb:        https://git.kernel.org/tip/bc7aaf52f963674690510e6c1f3710cd0394b25e
Author:        Kees Cook <keescook@xxxxxxxxxxxx>
AuthorDate:    Fri, 19 Nov 2021 09:53:25 -08:00
Committer:     Borislav Petkov <bp@xxxxxxx>
CommitterDate: Fri, 10 Dec 2021 19:49:06 +01:00

x86/boot/string: Add missing function prototypes

Silence "warning: no previous prototype for ... [-Wmissing-prototypes]"
warnings from string.h when building under W=1.

 [ bp: Clarify commit message. ]

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lore.kernel.org/r/20211119175325.3668419-1-keescook@xxxxxxxxxxxx
---
 arch/x86/boot/string.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86/boot/string.h b/arch/x86/boot/string.h
index a232da4..e5d2c6b 100644
--- a/arch/x86/boot/string.h
+++ b/arch/x86/boot/string.h
@@ -8,8 +8,10 @@
 #undef memcmp
 
 void *memcpy(void *dst, const void *src, size_t len);
+void *memmove(void *dst, const void *src, size_t len);
 void *memset(void *dst, int c, size_t len);
 int memcmp(const void *s1, const void *s2, size_t len);
+int bcmp(const void *s1, const void *s2, size_t len);
 
 /* Access builtin version by default. */
 #define memcpy(d,s,l) __builtin_memcpy(d,s,l)
@@ -25,6 +27,7 @@ extern size_t strnlen(const char *s, size_t maxlen);
 extern unsigned int atou(const char *s);
 extern unsigned long long simple_strtoull(const char *cp, char **endp,
 					  unsigned int base);
+long simple_strtol(const char *cp, char **endp, unsigned int base);
 
 int kstrtoull(const char *s, unsigned int base, unsigned long long *res);
 int boot_kstrtoul(const char *s, unsigned int base, unsigned long *res);