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 e38d6338a20d..d2eac3ceed5f 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 | |||
66 | if (!error) | 66 | if (!error) |
67 | return 0; | 67 | return 0; |
68 | 68 | ||
69 | kobject_put(target); | ||
69 | kfree(sl->link_name); | 70 | kfree(sl->link_name); |
70 | exit2: | 71 | exit2: |
71 | kfree(sl); | 72 | kfree(sl); |
@@ -82,12 +83,13 @@ exit1: | |||
82 | int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name) | 83 | int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name) |
83 | { | 84 | { |
84 | struct dentry * dentry = kobj->dentry; | 85 | struct dentry * dentry = kobj->dentry; |
85 | int error = 0; | 86 | int error = -EEXIST; |
86 | 87 | ||
87 | BUG_ON(!kobj || !kobj->dentry || !name); | 88 | BUG_ON(!kobj || !kobj->dentry || !name); |
88 | 89 | ||
89 | mutex_lock(&dentry->d_inode->i_mutex); | 90 | mutex_lock(&dentry->d_inode->i_mutex); |
90 | error = sysfs_add_link(dentry, name, target); | 91 | if (!sysfs_dirent_exist(dentry->d_fsdata, name)) |
92 | error = sysfs_add_link(dentry, name, target); | ||
91 | mutex_unlock(&dentry->d_inode->i_mutex); | 93 | mutex_unlock(&dentry->d_inode->i_mutex); |
92 | return error; | 94 | return error; |
93 | } | 95 | } |