[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>

1 files changed, 10 insertions, 2 deletions

diff --git a/fs/namespace.c b/fs/namespace.c
index 36d180858136..6ede3a539ed8 100644
--- 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();
 }