diff options
Diffstat (limited to 'fs/sysfs/symlink.c')
| -rw-r--r-- | fs/sysfs/symlink.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index 683316f0aa96..2f86e0422290 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -55,6 +55,7 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char struct sysfs_dirent *parent_sd = NULL; struct sysfs_dirent *target_sd = NULL; struct sysfs_dirent *sd = NULL; + struct sysfs_addrm_cxt acxt; int error; BUG_ON(!name); @@ -87,17 +88,18 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char goto out_put; sd->s_elem.symlink.target_sd = target_sd; - mutex_lock(&sysfs_mutex); - error = -EEXIST; - if (sysfs_find_dirent(parent_sd, name)) - goto out_unlock; - sysfs_attach_dirent(sd, parent_sd, NULL); - mutex_unlock(&sysfs_mutex); + sysfs_addrm_start(&acxt, parent_sd); - return 0; + if (!sysfs_find_dirent(parent_sd, name)) { + sysfs_add_one(&acxt, sd); + sysfs_link_sibling(sd); + } - out_unlock: - mutex_unlock(&sysfs_mutex); + if (sysfs_addrm_finish(&acxt)) + return 0; + + error = -EEXIST; + /* fall through */ out_put: sysfs_put(target_sd); sysfs_put(sd); |