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Commit 914dcaa8 authored by Rusty Russell's avatar Rusty Russell
Browse files

param: make param sections const. 



Since this section can be read-only (they're in .rodata), they should
always have been const.  Minor flow-through various functions.

Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Tested-by: default avatarPhil Carmody <ext-phil.2.carmody@nokia.com>
parent a1054322

include/linux/moduleparam.h

+1 −1
Original line number Diff line number Diff line
@@ -161,7 +161,7 @@ __check_old_set_param(int (*oldset)(const char *, struct kernel_param *)) 
/* Called on module insert or kernel boot */

extern int parse_args(const char *name,

		      char *args,

		      struct kernel_param *params,

		      const struct kernel_param *params,

		      unsigned num,

		      int (*unknown)(char *param, char *val));

init/main.c

+4 −4
Original line number Diff line number Diff line
@@ -201,11 +201,11 @@ static char * argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; 
char * envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, };

static const char *panic_later, *panic_param;



extern struct obs_kernel_param __setup_start[], __setup_end[];

extern const struct obs_kernel_param __setup_start[], __setup_end[];



static int __init obsolete_checksetup(char *line)

{

	struct obs_kernel_param *p;

	const struct obs_kernel_param *p;

	int had_early_param = 0;



	p = __setup_start;
@@ -458,7 +458,7 @@ static noinline void __init_refok rest_init(void) 
/* Check for early params. */

static int __init do_early_param(char *param, char *val)

{

	struct obs_kernel_param *p;

	const struct obs_kernel_param *p;



	for (p = __setup_start; p < __setup_end; p++) {

		if ((p->early && strcmp(param, p->str) == 0) ||
@@ -536,7 +536,7 @@ static void __init mm_init(void) 
asmlinkage void __init start_kernel(void)

{

	char * command_line;

	extern struct kernel_param __start___param[], __stop___param[];

	extern const struct kernel_param __start___param[], __stop___param[];



	smp_setup_processor_id();

kernel/params.c

+2 −2
Original line number Diff line number Diff line
@@ -88,7 +88,7 @@ static inline int parameq(const char *input, const char *paramname) 


static int parse_one(char *param,

		     char *val,

		     struct kernel_param *params, 

		     const struct kernel_param *params,

		     unsigned num_params,

		     int (*handle_unknown)(char *param, char *val))

{
@@ -170,7 +170,7 @@ static char *next_arg(char *args, char **param, char **val) 
/* Args looks like "foo=bar,bar2 baz=fuz wiz". */

int parse_args(const char *name,

	       char *args,

	       struct kernel_param *params,

	       const struct kernel_param *params,

	       unsigned num,

	       int (*unknown)(char *param, char *val))

{