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authorRusty Russell <rusty@rustcorp.com.au>2007-10-16 23:26:27 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:49 -0700
commitaf49d9248fca6f26cbdb01918334f71d9040df80 (patch)
tree5d6a7f4d5ca55ff17fbfc98cacac37be62c7a4a3 /kernel/module.c
parentd9c9bef1345e5d9258febce2a37e4d40319fa728 (diff)
Remove "unsafe" from module struct
Adrian Bunk points out that "unsafe" was used to mark modules touched by the deprecated MOD_INC_USE_COUNT interface, which has long gone. It's time to remove the member from the module structure, as well. If you want a module which can't unload, don't register an exit function. (Vlad Yasevich says SCTP is now safe to unload, so just remove the __unsafe there). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com> Cc: Sridhar Samudrala <sri@us.ibm.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/kernel/module.c b/kernel/module.c
index db0ead0363e..35246a61a7e 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -692,8 +692,7 @@ sys_delete_module(const char __user *name_user, unsigned int flags)
}
/* If it has an init func, it must have an exit func to unload */
- if ((mod->init != NULL && mod->exit == NULL)
- || mod->unsafe) {
+ if (mod->init && !mod->exit) {
forced = try_force_unload(flags);
if (!forced) {
/* This module can't be removed */
@@ -741,11 +740,6 @@ static void print_unload_info(struct seq_file *m, struct module *mod)
seq_printf(m, "%s,", use->module_which_uses->name);
}
- if (mod->unsafe) {
- printed_something = 1;
- seq_printf(m, "[unsafe],");
- }
-
if (mod->init != NULL && mod->exit == NULL) {
printed_something = 1;
seq_printf(m, "[permanent],");
@@ -2011,15 +2005,10 @@ sys_init_module(void __user *umod,
buggy refcounters. */
mod->state = MODULE_STATE_GOING;
synchronize_sched();
- if (mod->unsafe)
- printk(KERN_ERR "%s: module is now stuck!\n",
- mod->name);
- else {
- module_put(mod);
- mutex_lock(&module_mutex);
- free_module(mod);
- mutex_unlock(&module_mutex);
- }
+ module_put(mod);
+ mutex_lock(&module_mutex);
+ free_module(mod);
+ mutex_unlock(&module_mutex);
return ret;
}