linux-hardening - [PATCH v1 1/1] kernel.h: Move lib/cmdline.c prototypes to string.h

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Date: Tue,  3 Oct 2023 16:01:42 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Cc: Kees Cook <keescook@...omium.org>,
	Andy Shevchenko <andy@...nel.org>
Subject: [PATCH v1 1/1] kernel.h: Move lib/cmdline.c prototypes to string.h

The lib/cmdline.c is basically a set of some small string parsers
which are wide used in the kernel. Their prototypes belong to the
string.h rather then kernel.h.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/kernel.h | 6 ------
 include/linux/string.h | 8 ++++++++
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index c07f9c779d45..3e6c5ac08f8b 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -195,12 +195,6 @@ static inline void might_fault(void) { }
 
 void do_exit(long error_code) __noreturn;
 
-extern int get_option(char **str, int *pint);
-extern char *get_options(const char *str, int nints, int *ints);
-extern unsigned long long memparse(const char *ptr, char **retptr);
-extern bool parse_option_str(const char *str, const char *option);
-extern char *next_arg(char *args, char **param, char **val);
-
 extern int core_kernel_text(unsigned long addr);
 extern int __kernel_text_address(unsigned long addr);
 extern int kernel_text_address(unsigned long addr);
diff --git a/include/linux/string.h b/include/linux/string.h
index 3c920b6d609b..0995f2a737ef 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -181,9 +181,17 @@ extern void *kmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2);
 extern void *kvmemdup(const void *src, size_t len, gfp_t gfp) __realloc_size(2);
 extern char *kmemdup_nul(const char *s, size_t len, gfp_t gfp);
 
+/* lib/argv_split.c */
 extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
 extern void argv_free(char **argv);
 
+/* lib/cmdline.c */
+extern int get_option(char **str, int *pint);
+extern char *get_options(const char *str, int nints, int *ints);
+extern unsigned long long memparse(const char *ptr, char **retptr);
+extern bool parse_option_str(const char *str, const char *option);
+extern char *next_arg(char *args, char **param, char **val);
+
 extern bool sysfs_streq(const char *s1, const char *s2);
 int match_string(const char * const *array, size_t n, const char *string);
 int __sysfs_match_string(const char * const *array, size_t n, const char *s);
-- 
2.40.0.1.gaa8946217a0b