Commit e2112100 authored by Zheyu Ma's avatar Zheyu Ma Committed by David S. Miller

mISDN: Fix return values of the probe function

During the process of driver probing, the probe function should return < 0
for failure, otherwise, the kernel will treat value > 0 as success.
Signed-off-by: default avatarZheyu Ma <zheyuma97@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8a64ef04
......@@ -1994,14 +1994,14 @@ setup_hw(struct hfc_pci *hc)
pci_set_master(hc->pdev);
if (!hc->irq) {
printk(KERN_WARNING "HFC-PCI: No IRQ for PCI card found\n");
return 1;
return -EINVAL;
}
hc->hw.pci_io =
(char __iomem *)(unsigned long)hc->pdev->resource[1].start;
if (!hc->hw.pci_io) {
printk(KERN_WARNING "HFC-PCI: No IO-Mem for PCI card found\n");
return 1;
return -ENOMEM;
}
/* Allocate memory for FIFOS */
/* the memory needs to be on a 32k boundary within the first 4G */
......@@ -2012,7 +2012,7 @@ setup_hw(struct hfc_pci *hc)
if (!buffer) {
printk(KERN_WARNING
"HFC-PCI: Error allocating memory for FIFO!\n");
return 1;
return -ENOMEM;
}
hc->hw.fifos = buffer;
pci_write_config_dword(hc->pdev, 0x80, hc->hw.dmahandle);
......@@ -2022,7 +2022,7 @@ setup_hw(struct hfc_pci *hc)
"HFC-PCI: Error in ioremap for PCI!\n");
dma_free_coherent(&hc->pdev->dev, 0x8000, hc->hw.fifos,
hc->hw.dmahandle);
return 1;
return -ENOMEM;
}
printk(KERN_INFO
......
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