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Subject[PATCH 2.6.10-rc1 9/15] driver-model: parse_args()'s @unknown function modified to take void *arg
 dp_09_module_param_unknown_arg.patch

This is the 9th patch of 15 patches for devparam.

The @unknown function of parse_args() is changed to take a void *arg.
This is used by devparam.


Signed-off-by: Tejun Heo <tj@home-tj.org>


Index: linux-export/include/linux/moduleparam.h
===================================================================
--- linux-export.orig/include/linux/moduleparam.h 2004-11-04 14:25:59.000000000 +0900
+++ linux-export/include/linux/moduleparam.h 2004-11-04 14:25:59.000000000 +0900
@@ -114,7 +114,8 @@ extern int parse_args(const char *name,
char *args,
struct kernel_param *params,
unsigned num,
- int (*unknown)(char *param, char *val));
+ int (*unknown)(char *param, char *val, void *arg),
+ void *uarg);

/* All the helper functions */
/* The macros to do compile-time type checking stolen from Jakub
Index: linux-export/init/main.c
===================================================================
--- linux-export.orig/init/main.c 2004-11-04 10:25:56.000000000 +0900
+++ linux-export/init/main.c 2004-11-04 14:25:59.000000000 +0900
@@ -284,7 +284,7 @@ __setup("quiet", quiet_kernel);
* Unknown boot options get handed to init, unless they look like
* failed parameters
*/
-static int __init unknown_bootoption(char *param, char *val)
+static int __init unknown_bootoption(char *param, char *val, void *arg)
{
/* Change NUL term back to "=", to make "param" the whole string. */
if (val) {
@@ -450,7 +450,7 @@ static void noinline rest_init(void)
}

/* Check for early params. */
-static int __init do_early_param(char *param, char *val)
+static int __init do_early_param(char *param, char *val, void *arg)
{
struct obs_kernel_param *p;
extern struct obs_kernel_param __setup_start, __setup_end;
@@ -477,7 +477,7 @@ void __init parse_early_param(void)

/* All fall through to do_early_param. */
strlcpy(tmp_cmdline, saved_command_line, COMMAND_LINE_SIZE);
- parse_args("early options", tmp_cmdline, NULL, 0, do_early_param);
+ parse_args("early options", tmp_cmdline, NULL, 0, do_early_param, NULL);
done = 1;
}

@@ -517,7 +517,7 @@ asmlinkage void __init start_kernel(void
parse_early_param();
parse_args("Booting kernel", command_line, __start___param,
__stop___param - __start___param,
- &unknown_bootoption);
+ &unknown_bootoption, NULL);
sort_main_extable();
trap_init();
rcu_init();
Index: linux-export/kernel/module.c
===================================================================
--- linux-export.orig/kernel/module.c 2004-11-04 14:25:58.000000000 +0900
+++ linux-export/kernel/module.c 2004-11-04 14:25:59.000000000 +0900
@@ -807,7 +807,7 @@ static int obsolete_params(const char *n
kp[i].arg = &obsparm[i];
}

- ret = parse_args(name, args, kp, num, NULL);
+ ret = parse_args(name, args, kp, num, NULL, NULL);
out:
kfree(kp);
return ret;
@@ -1716,7 +1716,7 @@ static struct module *load_module(void _
sechdrs[setupindex].sh_addr,
sechdrs[setupindex].sh_size
/ sizeof(struct kernel_param),
- NULL);
+ NULL, NULL);
}
err = mod_sysfs_setup(mod,
(struct kernel_param *)
Index: linux-export/kernel/params.c
===================================================================
--- linux-export.orig/kernel/params.c 2004-11-04 14:25:59.000000000 +0900
+++ linux-export/kernel/params.c 2004-11-04 14:25:59.000000000 +0900
@@ -50,7 +50,8 @@ static int parse_one(char *param,
char *val,
struct kernel_param *params,
unsigned num_params,
- int (*handle_unknown)(char *param, char *val))
+ int (*handle_unknown)(char *param, char *val, void *arg),
+ void *uarg)
{
unsigned int i;

@@ -65,7 +66,7 @@ static int parse_one(char *param,

if (handle_unknown) {
DEBUGP("Unknown argument: calling %p\n", handle_unknown);
- return handle_unknown(param, val);
+ return handle_unknown(param, val, uarg);
}

DEBUGP("Unknown argument `%s'\n", param);
@@ -120,7 +121,7 @@ int parse_args(const char *name,
char *args,
struct kernel_param *params,
unsigned num,
- int (*unknown)(char *param, char *val))
+ int (*unknown)(char *param, char *val, void *arg), void *uarg)
{
char *param, *val;

@@ -130,7 +131,7 @@ int parse_args(const char *name,
int ret;

args = param_next_arg(args, &param, &val);
- ret = parse_one(param, val, params, num, unknown);
+ ret = parse_one(param, val, params, num, unknown, uarg);
switch (ret) {
case -ENOENT:
printk(KERN_ERR "%s: Unknown parameter `%s'\n",
-
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