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module: clarify the force-loading taint message. 

Impact: Message cleanup

Two of three callers of try_to_force_load() are not because of a
missing version, so change the messages:

Old:
	<modname>: no version for "magic" found: kernel tainted.
New:
	<modname>: bad vermagic: kernel tainted.

Old:
	<modname>: no version for "nocrc" found: kernel tainted.
New:
	<modname>: no versions for exported symbols: kernel tainted.

Old:
	<modname>: no version for "<symname>" found: kernel tainted.
New:
	<modname>: <symname>: kernel tainted.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2009-03-31 13:05:33 -06:00
parent c6b3780191
commit c6e665c8f0
1 changed files with 6 additions and 6 deletions
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12
kernel/module.c
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@ -990,12 +990,12 @@ static struct module_attribute *modinfo_attrs[] = {
static const char vermagic[] = VERMAGIC_STRING;
static int try_to_force_load(struct module *mod, const char *symname)
static int try_to_force_load(struct module *mod, const char *reason)
{
#ifdef CONFIG_MODULE_FORCE_LOAD
if (!test_taint(TAINT_FORCED_MODULE))
printk("%s: no version for \"%s\" found: kernel tainted.\n",
mod->name, symname);
printk(KERN_WARNING "%s: %s: kernel tainted.\n",
mod->name, reason);
add_taint_module(mod, TAINT_FORCED_MODULE);
return 0;
#else
@ -2002,7 +2002,7 @@ static noinline struct module *load_module(void __user *umod,
modmagic = get_modinfo(sechdrs, infoindex, "vermagic");
/* This is allowed: modprobe --force will invalidate it. */
if (!modmagic) {
err = try_to_force_load(mod, "magic");
err = try_to_force_load(mod, "bad vermagic");
if (err)
goto free_hdr;
} else if (!same_magic(modmagic, vermagic, versindex)) {
@ -2191,8 +2191,8 @@ static noinline struct module *load_module(void __user *umod,
|| (mod->num_unused_gpl_syms && !mod->unused_gpl_crcs)
#endif
) {
printk(KERN_WARNING "%s: No versions for exported symbols.\n", mod->name);
err = try_to_force_load(mod, "nocrc");
err = try_to_force_load(mod,
"no versions for exported symbols");
if (err)
goto cleanup;
}