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authorRusty Russell <rusty@rustcorp.com.au>2010-08-11 23:04:18 -0600
committerRusty Russell <rusty@rustcorp.com.au>2010-08-11 23:04:19 +0930
commit914dcaa84c53f2c3efa6016efcae13fd92a8a17c (patch)
tree6bbcf8953012000cb0a22b47ff616ff2dbe481f2
parenta1054322afc8120ea5a50bc84e5beeda54571862 (diff)
downloadlinux-914dcaa84c53f2c3efa6016efcae13fd92a8a17c.tar.bz2
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: Rusty Russell <rusty@rustcorp.com.au> Tested-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
-rw-r--r--include/linux/moduleparam.h2
-rw-r--r--init/main.c8
-rw-r--r--kernel/params.c4
3 files changed, 7 insertions, 7 deletions
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 9f51568f51c8..6d48831fe7d2 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -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));
diff --git a/init/main.c b/init/main.c
index 86cbfd085b01..22d61cb06f98 100644
--- a/init/main.c
+++ b/init/main.c
@@ -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();
diff --git a/kernel/params.c b/kernel/params.c
index ef60db14fae0..a3eeeefc9472 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -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))
{