[PATCH 1/6] module: clarify the force-loading taint message.

[PATCH 1/6] module: clarify the force-loading taint message.

[Rusty Russell]

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.

And the last one will be going away in follow-up patches anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 kernel/module.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -961,12 +961,12 @@ static struct module_attribute *modinfo_
 
 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
@@ -1978,7 +1977,7 @@ static noinline struct module *load_modu
 	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)) {
@@ -2167,8 +2166,8 @@ static noinline struct module *load_modu
 	    || (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;
 	}