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dtivers: ntb: fix parameter check in perf_setup_dbgfs()

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Make IS_ERR() judge the debugfs_create_dir() function return
in perf_setup_dbgfs().

Signed-off-by: Minjie Du <duminjie@vivo.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Minjie Du 2023-07-13 11:47:27 +08:00 committed by Jon Mason
parent f7d067041e
commit 45191087c3
1 changed files with 1 additions and 1 deletions
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2
drivers/ntb/test/ntb_perf.c
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@ -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;
}