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ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()

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The debugfs_create_dir() function returns error pointers.
It never returns NULL. So use IS_ERR() to check it.

Fixes: e26a5843f7 ("NTB: Split ntb_hw_intel and ntb_transport drivers")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Jinjie Ruan
2023-08-31 20:39:27 +08:00
committed by Jon Mason
parent 98f7e32f20
commit e229897d37
1 changed files with 1 additions and 1 deletions
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2
drivers/ntb/hw/intel/ntb_hw_gen1.c
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@@ -778,7 +778,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev)
ndev->debugfs_dir =
debugfs_create_dir(pci_name(ndev->ntb.pdev),
debugfs_dir);
if (!ndev->debugfs_dir)
if (IS_ERR(ndev->debugfs_dir))
ndev->debugfs_info = NULL;
else
ndev->debugfs_info =