Merge ../linux-2.6

[linux-2.6-omap-h63xx.git] / fs / sysfs / symlink.c

diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index e38d6338a20ddbdb27b9f0a0bd32c105c257d453..d2eac3ceed5f31cf9735a68ecc69dc4a6c6771ed 100644 (file)
--- 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;
 }