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authorRusty Russell <rusty@rustcorp.com.au>2002-12-27 08:09:36 -0800
committerLinus Torvalds <torvalds@home.transmeta.com>2002-12-27 08:09:36 -0800
commit58acbf381481df951fc05b1084b5f4b79540357a (patch)
treee7360a6e079155fe64054b4b454485770bce6b34 /kernel
parent30c9bd1ac7188c812f3d6711a412ce0bea9a2e78 (diff)
[PATCH] Modules without init functions don't need exit functions
If modules don't use module_exit(), they cannot be unloaded. This safety mechanism should not apply for modules which don't use module_init() (implying they have nothing to clean up anyway).
Diffstat (limited to 'kernel')
-rw-r--r--kernel/module.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/module.c b/kernel/module.c
index c73b19336f1e..2209ab07e733 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -405,7 +405,8 @@ sys_delete_module(const char *name_user, unsigned int flags)
}
}
- if (!mod->exit || mod->unsafe) {
+ /* If it has an init func, it must have an exit func to unload */
+ if ((mod->init && !mod->exit) || mod->unsafe) {
forced = try_force(flags);
if (!forced) {
/* This module can't be removed */
@@ -473,7 +474,7 @@ static void print_unload_info(struct seq_file *m, struct module *mod)
if (mod->unsafe)
seq_printf(m, " [unsafe]");
- if (!mod->exit)
+ if (mod->init && !mod->exit)
seq_printf(m, " [permanent]");
seq_printf(m, "\n");