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authorRandy Dunlap <rdunlap@xenotime.net>2006-09-29 01:58:55 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-29 09:18:04 -0700
commitd8c7649e99e4b081b624aefe1e77caa30b53cb18 (patch)
tree4afc0411a45521963492a22a6c9712d9b7059bbb
parent[PATCH] uml: remove pte_mkexec (diff)
downloadlinux-dev-d8c7649e99e4b081b624aefe1e77caa30b53cb18.tar.xz
linux-dev-d8c7649e99e4b081b624aefe1e77caa30b53cb18.zip
[PATCH] kernel/params: driver layer error checking
Check driver layer return values in kernel/params.c Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--kernel/params.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/params.c b/kernel/params.c
index 91aea7aa532e..63d432d0ebc0 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -547,6 +547,7 @@ static void __init kernel_param_sysfs_setup(const char *name,
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_setup(const char *name,
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();