diff options
Diffstat (limited to 'arch/s390/pci/pci.c')
| -rw-r--r-- | arch/s390/pci/pci.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index d28d194d580c..8f19c8f9d660 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -275,15 +275,10 @@ void __iomem *pci_iomap_range(struct pci_dev *pdev, idx = zdev->bars[bar].map_idx; spin_lock(&zpci_iomap_lock); - if (zpci_iomap_start[idx].count++) { - BUG_ON(zpci_iomap_start[idx].fh != zdev->fh || - zpci_iomap_start[idx].bar != bar); - } else { - zpci_iomap_start[idx].fh = zdev->fh; - zpci_iomap_start[idx].bar = bar; - } /* Detect overrun */ - BUG_ON(!zpci_iomap_start[idx].count); + WARN_ON(!++zpci_iomap_start[idx].count); + zpci_iomap_start[idx].fh = zdev->fh; + zpci_iomap_start[idx].bar = bar; spin_unlock(&zpci_iomap_lock); return (void __iomem *) ZPCI_ADDR(idx) + offset; @@ -302,7 +297,7 @@ void pci_iounmap(struct pci_dev *pdev, void __iomem *addr) spin_lock(&zpci_iomap_lock); /* Detect underrun */ - BUG_ON(!zpci_iomap_start[idx].count); + WARN_ON(!zpci_iomap_start[idx].count); if (!--zpci_iomap_start[idx].count) { zpci_iomap_start[idx].fh = 0; zpci_iomap_start[idx].bar = 0; |