diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/generic.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 9f8fa1e5e8aa..be39c6feb3e5 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -369,14 +369,21 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp dp->proc_iops = &proc_file_inode_operations; } else { WARN_ON(1); + proc_free_inum(dp->low_ino); return -EINVAL; } spin_lock(&proc_subdir_lock); dp->parent = dir; - if (pde_subdir_insert(dir, dp) == false) + if (pde_subdir_insert(dir, dp) == false) { WARN(1, "proc_dir_entry '%s/%s' already registered\n", dir->name, dp->name); + spin_unlock(&proc_subdir_lock); + if (S_ISDIR(dp->mode)) + dir->nlink--; + proc_free_inum(dp->low_ino); + return -EEXIST; + } spin_unlock(&proc_subdir_lock); return 0; |