diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index b19acd662726..f29052e6a87d 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -108,8 +108,8 @@ static ssize_t target_core_item_dbroot_store(struct config_item *item, const char *page, size_t count) { ssize_t read_bytes; - struct file *fp; ssize_t r = -EINVAL; + struct path path = {}; mutex_lock(&target_devices_lock); if (target_devices) { @@ -131,17 +131,18 @@ static ssize_t target_core_item_dbroot_store(struct config_item *item, db_root_stage[read_bytes - 1] = '\0'; /* validate new db root before accepting it */ - fp = filp_open(db_root_stage, O_RDONLY, 0); - if (IS_ERR(fp)) { + r = kern_path(db_root_stage, LOOKUP_FOLLOW, &path); + if (r) { pr_err("db_root: cannot open: %s\n", db_root_stage); goto unlock; } - if (!S_ISDIR(file_inode(fp)->i_mode)) { - filp_close(fp, NULL); + if (!d_is_dir(path.dentry)) { + path_put(&path); pr_err("db_root: not a directory: %s\n", db_root_stage); + r = -ENOTDIR; goto unlock; } - filp_close(fp, NULL); + path_put(&path); strscpy(db_root, db_root_stage); pr_debug("Target_Core_ConfigFS: db_root set to %s\n", db_root);