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ntb: idt: fix error check in ntb_hw_idt.c

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idt_create_dev never return NULL and fix smatch warning.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Wang Qing 2020-11-06 17:43:31 +08:00 committed by Jon Mason
parent 3650b228f8
commit 91b8246de8
1 changed files with 2 additions and 2 deletions
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4
drivers/ntb/hw/idt/ntb_hw_idt.c
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@ -2511,7 +2511,7 @@ static int idt_init_dbgfs(struct idt_ntb_dev *ndev)
/* If the top directory is not created then do nothing */
if (IS_ERR_OR_NULL(dbgfs_topdir)) {
dev_info(&ndev->ntb.pdev->dev, "Top DebugFS directory absent");
return PTR_ERR(dbgfs_topdir);
return PTR_ERR_OR_ZERO(dbgfs_topdir);
}
/* Create the info file node */
@ -2756,7 +2756,7 @@ static int idt_pci_probe(struct pci_dev *pdev,
/* Allocate the memory for IDT NTB device data */
ndev = idt_create_dev(pdev, id);
if (IS_ERR_OR_NULL(ndev))
if (IS_ERR(ndev))
return PTR_ERR(ndev);
/* Initialize the basic PCI subsystem of the device */