diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/proc/generic.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index e37ea3e53de8..b9dd3628d43a 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -521,6 +521,7 @@ static const struct inode_operations proc_dir_inode_operations = { static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp) { unsigned int i; + struct proc_dir_entry *tmp; i = get_inode_number(); if (i == 0) @@ -544,6 +545,15 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp } spin_lock(&proc_subdir_lock); + + for (tmp = dir->subdir; tmp; tmp = tmp->next) + if (strcmp(tmp->name, dp->name) == 0) { + printk(KERN_WARNING "proc_dir_entry '%s' already " + "registered\n", dp->name); + dump_stack(); + break; + } + dp->next = dir->subdir; dp->parent = dir; dir->subdir = dp; |