On Fri, Jun 25, 2021 at 04:55:23PM -0700, Dipen Patel wrote: > +static void hte_chip_dbgfs_init(struct hte_device *gdev) > +{ > + const struct hte_chip *chip = gdev->chip; > + const char *name = chip->name ? chip->name : dev_name(chip->dev); > + > + gdev->dbg_root = debugfs_create_dir(name, hte_root); > + if (!gdev->dbg_root) > + return; No need to check for this, if it fails, your other debugfs calls will handle it just fine. > + > + debugfs_create_atomic_t("ts_requested", 0444, gdev->dbg_root, > + &gdev->ts_req); > + debugfs_create_u32("total_ts", 0444, gdev->dbg_root, > + &gdev->nlines); > +} > + > +static void hte_ts_dbgfs_init(const char *name, struct hte_ts_info *ei) > +{ > + if (!ei->gdev->dbg_root || !name) > + return; > + > + ei->ts_dbg_root = debugfs_create_dir(name, ei->gdev->dbg_root); > + if (!ei->ts_dbg_root) > + return; Again, no need to check. > + > + debugfs_create_size_t("ts_buffer_depth", 0444, ei->ts_dbg_root, > + &ei->buf->datum_len); > + debugfs_create_size_t("ts_buffer_watermark", 0444, ei->ts_dbg_root, > + &ei->buf->watermark); > + debugfs_create_atomic_t("dropped_timestamps", 0444, ei->ts_dbg_root, > + &ei->dropped_ts); > +} > + > +static inline void hte_dbgfs_deinit(struct dentry *root) > +{ > + if (!root) > + return; No need to check this. > + > + debugfs_remove_recursive(root); Do not wrap a single call with another call :) thanks, greg k-h