diff options
-rw-r--r-- | drivers/ntb/test/ntb_perf.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 6fdddf8..759f772 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -745,6 +745,7 @@ static int perf_debugfs_setup(struct perf_ctx *perf) if (!debugfs_initialized()) return -ENODEV; + /* Assumpion: only one NTB device in the system */ if (!perf_debugfs_dir) { perf_debugfs_dir = debugfs_create_dir(KBUILD_MODNAME, NULL); if (!perf_debugfs_dir) @@ -754,45 +755,50 @@ static int perf_debugfs_setup(struct perf_ctx *perf) debugfs_node_dir = debugfs_create_dir(pci_name(pdev), perf_debugfs_dir); if (!debugfs_node_dir) - return -ENODEV; + goto err; debugfs_run = debugfs_create_file("run", S_IRUSR | S_IWUSR, debugfs_node_dir, perf, &ntb_perf_debugfs_run); if (!debugfs_run) - return -ENODEV; + goto err; debugfs_threads = debugfs_create_u8("threads", S_IRUSR | S_IWUSR, debugfs_node_dir, &perf->perf_threads); if (!debugfs_threads) - return -ENODEV; + goto err; debugfs_seg_order = debugfs_create_u32("seg_order", 0600, debugfs_node_dir, &seg_order); if (!debugfs_seg_order) - return -ENODEV; + goto err; debugfs_run_order = debugfs_create_u32("run_order", 0600, debugfs_node_dir, &run_order); if (!debugfs_run_order) - return -ENODEV; + goto err; debugfs_use_dma = debugfs_create_bool("use_dma", 0600, debugfs_node_dir, &use_dma); if (!debugfs_use_dma) - return -ENODEV; + goto err; debugfs_on_node = debugfs_create_bool("on_node", 0600, debugfs_node_dir, &on_node); if (!debugfs_on_node) - return -ENODEV; + goto err; return 0; + +err: + debugfs_remove_recursive(perf_debugfs_dir); + perf_debugfs_dir = NULL; + return -ENODEV; } static int perf_probe(struct ntb_client *client, struct ntb_dev *ntb) |