From 45191087c3e2866e4fbcd775e443ee0380211ed1 Mon Sep 17 00:00:00 2001 From: Minjie Du Date: Thu, 13 Jul 2023 11:47:27 +0800 Subject: [PATCH] dtivers: ntb: fix parameter check in perf_setup_dbgfs() Make IS_ERR() judge the debugfs_create_dir() function return in perf_setup_dbgfs(). Signed-off-by: Minjie Du Reviewed-by: Serge Semin Signed-off-by: Jon Mason --- drivers/ntb/test/ntb_perf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 65e1e5cf1b29a..553f1f46bc664 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -1355,7 +1355,7 @@ static void perf_setup_dbgfs(struct perf_ctx *perf) struct pci_dev *pdev = perf->ntb->pdev; perf->dbgfs_dir = debugfs_create_dir(pci_name(pdev), perf_dbgfs_topdir); - if (!perf->dbgfs_dir) { + if (IS_ERR(perf->dbgfs_dir)) { dev_warn(&perf->ntb->dev, "DebugFS unsupported\n"); return; } -- 2.30.2