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authorBen Hutchings <ben@decadent.org.uk>2011-10-24 15:12:28 +0200
committerRusty Russell <rusty@rustcorp.com.au>2011-11-07 07:54:42 +1030
commit2449b8ba0745327c5fa49a8d9acffe03b2eded69 (patch)
tree48e11288635dcfc8cdb342f3ba00fa2a2a650aa8 /kernel
parent1cd0d6c3021c8d76641b37203f504634b87fbabc (diff)
module,bug: Add TAINT_OOT_MODULE flag for modules not built in-tree
Use of the GPL or a compatible licence doesn't necessarily make the code any good. We already consider staging modules to be suspect, and this should also be true for out-of-tree modules which may receive very little review. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Reviewed-by: Dave Jones <davej@redhat.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (patched oops-tracing.txt)
Diffstat (limited to 'kernel')
-rw-r--r--kernel/module.c5
-rw-r--r--kernel/panic.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/kernel/module.c b/kernel/module.c
index 3c550964284..ef8cb70c699 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2487,6 +2487,9 @@ static int check_modinfo(struct module *mod, struct load_info *info)
return -ENOEXEC;
}
+ if (!get_modinfo(info, "intree"))
+ add_taint_module(mod, TAINT_OOT_MODULE);
+
if (get_modinfo(info, "staging")) {
add_taint_module(mod, TAINT_CRAP);
printk(KERN_WARNING "%s: module is from the staging directory,"
@@ -3255,6 +3258,8 @@ static char *module_flags(struct module *mod, char *buf)
buf[bx++] = '(';
if (mod->taints & (1 << TAINT_PROPRIETARY_MODULE))
buf[bx++] = 'P';
+ else if (mod->taints & (1 << TAINT_OOT_MODULE))
+ buf[bx++] = 'O';
if (mod->taints & (1 << TAINT_FORCED_MODULE))
buf[bx++] = 'F';
if (mod->taints & (1 << TAINT_CRAP))
diff --git a/kernel/panic.c b/kernel/panic.c
index d7bb6974efb..b2659360421 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -177,6 +177,7 @@ static const struct tnt tnts[] = {
{ TAINT_WARN, 'W', ' ' },
{ TAINT_CRAP, 'C', ' ' },
{ TAINT_FIRMWARE_WORKAROUND, 'I', ' ' },
+ { TAINT_OOT_MODULE, 'O', ' ' },
};
/**
@@ -194,6 +195,7 @@ static const struct tnt tnts[] = {
* 'W' - Taint on warning.
* 'C' - modules from drivers/staging are loaded.
* 'I' - Working around severe firmware bug.
+ * 'O' - Out-of-tree module has been loaded.
*
* The string is overwritten by the next call to print_tainted().
*/