diff options
Diffstat (limited to 'fs/sysfs/symlink.c')
| -rw-r--r-- | fs/sysfs/symlink.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index e38d633..d2eac3c 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -66,6 +66,7 @@ static int sysfs_add_link(struct dentry * parent, const char * name, struct kobj if (!error) return 0; + kobject_put(target); kfree(sl->link_name); exit2: kfree(sl); @@ -82,12 +83,13 @@ exit1: int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name) { struct dentry * dentry = kobj->dentry; - int error = 0; + int error = -EEXIST; BUG_ON(!kobj || !kobj->dentry || !name); mutex_lock(&dentry->d_inode->i_mutex); - error = sysfs_add_link(dentry, name, target); + if (!sysfs_dirent_exist(dentry->d_fsdata, name)) + error = sysfs_add_link(dentry, name, target); mutex_unlock(&dentry->d_inode->i_mutex); return error; } |
