diff options
Diffstat (limited to 'drivers/mtd/mtdswap.c')
| -rw-r--r-- | drivers/mtd/mtdswap.c | 21 |
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/mtd/mtdswap.c b/drivers/mtd/mtdswap.c index f12879a3d4ff..7d9080e33865 100644 --- a/drivers/mtd/mtdswap.c +++ b/drivers/mtd/mtdswap.c @@ -138,8 +138,6 @@ struct mtdswap_dev { char *page_buf; char *oob_buf; - - struct dentry *debugfs_root; }; struct mtdswap_oobdata { @@ -1315,29 +1313,19 @@ static const struct file_operations mtdswap_fops = { static int mtdswap_add_debugfs(struct mtdswap_dev *d) { - struct gendisk *gd = d->mbd_dev->disk; - struct device *dev = disk_to_dev(gd); - - struct dentry *root; + struct dentry *root = d->mtd->dbg.dfs_dir; struct dentry *dent; - root = debugfs_create_dir(gd->disk_name, NULL); - if (IS_ERR(root)) + if (!IS_ENABLED(CONFIG_DEBUG_FS)) return 0; - if (!root) { - dev_err(dev, "failed to initialize debugfs\n"); + if (IS_ERR_OR_NULL(root)) return -1; - } - - d->debugfs_root = root; - dent = debugfs_create_file("stats", S_IRUSR, root, d, + dent = debugfs_create_file("mtdswap_stats", S_IRUSR, root, d, &mtdswap_fops); if (!dent) { dev_err(d->dev, "debugfs_create_file failed\n"); - debugfs_remove_recursive(root); - d->debugfs_root = NULL; return -1; } @@ -1540,7 +1528,6 @@ static void mtdswap_remove_dev(struct mtd_blktrans_dev *dev) { struct mtdswap_dev *d = MTDSWAP_MBD_TO_MTDSWAP(dev); - debugfs_remove_recursive(d->debugfs_root); del_mtd_blktrans_dev(dev); mtdswap_cleanup(d); kfree(d); |