diff options
Diffstat (limited to 'kernel/module')
| -rw-r--r-- | kernel/module/internal.h | 3 | ||||
| -rw-r--r-- | kernel/module/main.c | 30 |
2 files changed, 32 insertions, 1 deletions
diff --git a/kernel/module/internal.h b/kernel/module/internal.h index 8d74b0a21c82..51ddd8866ef3 100644 --- a/kernel/module/internal.h +++ b/kernel/module/internal.h @@ -58,6 +58,9 @@ extern const struct kernel_symbol __stop___ksymtab_gpl[]; extern const u32 __start___kcrctab[]; extern const u32 __start___kcrctab_gpl[]; +#define KMOD_PATH_LEN 256 +extern char modprobe_path[]; + struct load_info { const char *name; /* pointer to module in temporary copy, freed at end of load_module() */ diff --git a/kernel/module/main.c b/kernel/module/main.c index 413ac6ea3702..c11d9a125001 100644 --- a/kernel/module/main.c +++ b/kernel/module/main.c @@ -126,9 +126,37 @@ static void mod_update_bounds(struct module *mod) } /* Block module loading/unloading? */ -int modules_disabled; +static int modules_disabled; core_param(nomodule, modules_disabled, bint, 0); +static const struct ctl_table module_sysctl_table[] = { + { + .procname = "modprobe", + .data = &modprobe_path, + .maxlen = KMOD_PATH_LEN, + .mode = 0644, + .proc_handler = proc_dostring, + }, + { + .procname = "modules_disabled", + .data = &modules_disabled, + .maxlen = sizeof(int), + .mode = 0644, + /* only handle a transition from default "0" to "1" */ + .proc_handler = proc_dointvec_minmax, + .extra1 = SYSCTL_ONE, + .extra2 = SYSCTL_ONE, + }, +}; + +static int __init init_module_sysctl(void) +{ + register_sysctl_init("kernel", module_sysctl_table); + return 0; +} + +subsys_initcall(init_module_sysctl); + /* Waiting for a module to finish initializing? */ static DECLARE_WAIT_QUEUE_HEAD(module_wq); |