From: Randy Dunlap <[email protected]>
Check all __must_check warnings in kernel/params.c
Signed-off-by: Randy Dunlap <[email protected]>
---
kernel/params.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
--- linux-2618-rc1mm1.orig/kernel/params.c
+++ linux-2618-rc1mm1/kernel/params.c
@@ -547,6 +547,7 @@ static void __init kernel_param_sysfs_se
unsigned int name_skip)
{
struct module_kobject *mk;
+ int ret;
mk = kzalloc(sizeof(struct module_kobject), GFP_KERNEL);
BUG_ON(!mk);
@@ -554,7 +555,8 @@ static void __init kernel_param_sysfs_se
mk->mod = THIS_MODULE;
kobj_set_kset_s(mk, module_subsys);
kobject_set_name(&mk->kobj, name);
- kobject_register(&mk->kobj);
+ ret = kobject_register(&mk->kobj);
+ BUG_ON(ret < 0);
/* no need to keep the kobject if no parameter is exported */
if (!param_sysfs_setup(mk, kparam, num_params, name_skip)) {
@@ -684,7 +686,14 @@ decl_subsys(module, &module_ktype, NULL)
*/
static int __init param_sysfs_init(void)
{
- subsystem_register(&module_subsys);
+ int ret;
+
+ ret = subsystem_register(&module_subsys);
+ if (ret < 0) {
+ printk(KERN_WARNING "%s (%d): subsystem_register error: %d\n",
+ __FILE__, __LINE__, ret);
+ return ret;
+ }
param_sysfs_builtin();
---
-
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