summaryrefslogtreecommitdiff
path: root/kernel/params.c
diff options
context:
space:
mode:
authorRusty Russell <rusty@rustcorp.com.au>2015-06-16 20:46:52 (GMT)
committerRusty Russell <rusty@rustcorp.com.au>2015-06-23 05:57:37 (GMT)
commit74c3dea355245c17ee407a3ce3ea34f55b40f2eb (patch)
treeca68b882f14d82c132395e165c303782ed32e220 /kernel/params.c
parentb6c09b512dc0c5f62a4cc40184f5de749e90fdac (diff)
downloadlinux-74c3dea355245c17ee407a3ce3ea34f55b40f2eb.tar.xz
params: suppress unused variable error, warn once just in case code changes.
It shouldn't fail due to OOM (it's boot time), and already warns if we get two identical names. But you never know what the future holds, and WARN_ON_ONCE() keeps gcc happy with minimal code. Reported-by: Louis Langholtz <lou_langholtz@me.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'kernel/params.c')
-rw-r--r--kernel/params.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/params.c b/kernel/params.c
index 7edf31f..e906874d 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -884,6 +884,7 @@ static void __init version_sysfs_builtin(void)
mk = locate_module_kobject(vattr->module_name);
if (mk) {
err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr);
+ WARN_ON_ONCE(err);
kobject_uevent(&mk->kobj, KOBJ_ADD);
kobject_put(&mk->kobj);
}