[PATCH] fs/namespace: handle init/registration errors

Check and handle init errors.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/namespace.c b/fs/namespace.c
index 36d1808..6ede3a5 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -13,6 +13,7 @@
 #include <linux/sched.h>
 #include <linux/smp_lock.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/quotaops.h>
 #include <linux/acct.h>
 #include <linux/capability.h>
@@ -1813,6 +1814,7 @@ void __init mnt_init(unsigned long mempages)
        struct list_head *d;
        unsigned int nr_hash;
        int i;
+       int err;
 
        init_rwsem(&namespace_sem);
 
@@ -1853,8 +1855,14 @@ void __init mnt_init(unsigned long mempages)
                d++;
                i--;
        } while (i);
-       sysfs_init();
-       subsystem_register(&fs_subsys);
+       err = sysfs_init();
+       if (err)
+               printk(KERN_WARNING "%s: sysfs_init error: %d\n",
+                       __FUNCTION__, err);
+       err = subsystem_register(&fs_subsys);
+       if (err)
+               printk(KERN_WARNING "%s: subsystem_register error: %d\n",
+                       __FUNCTION__, err);
        init_rootfs();
        init_mount_tree();
 }