*
* LOCKING:
* Determined by sysfs_addrm_start().
+ *
+ * RETURNS:
+ * 0 on success, -EEXIST if entry with the given name already
+ * exists.
*/
-void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
+int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
{
+ if (sysfs_find_dirent(acxt->parent_sd, sd->s_name))
+ return -EEXIST;
+
sd->s_parent = sysfs_get(acxt->parent_sd);
if (sysfs_type(sd) == SYSFS_DIR && acxt->parent_inode)
acxt->cnt++;
sysfs_link_sibling(sd);
+
+ return 0;
}
/**
umode_t mode = S_IFDIR| S_IRWXU | S_IRUGO | S_IXUGO;
struct sysfs_addrm_cxt acxt;
struct sysfs_dirent *sd;
+ int rc;
/* allocate */
sd = sysfs_new_dirent(name, mode, SYSFS_DIR);
/* link in */
sysfs_addrm_start(&acxt, parent_sd);
+ rc = sysfs_add_one(&acxt, sd);
+ sysfs_addrm_finish(&acxt);
- if (!sysfs_find_dirent(parent_sd, name))
- sysfs_add_one(&acxt, sd);
-
- if (!sysfs_addrm_finish(&acxt)) {
+ if (rc == 0)
+ *p_sd = sd;
+ else
sysfs_put(sd);
- return -EEXIST;
- }
- *p_sd = sd;
- return 0;
+ return rc;
}
int sysfs_create_subdir(struct kobject *kobj, const char *name,