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-rw-r--r--arch/s390/pci/pci_mmio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c
index 51e7a28af899..f3f79ba78410 100644
--- a/arch/s390/pci/pci_mmio.c
+++ b/arch/s390/pci/pci_mmio.c
@@ -188,6 +188,7 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
goto out_unlock_mmap;
}
+ ret = -EFAULT;
io_addr = (void __iomem *)((args.pfn << PAGE_SHIFT) |
(mmio_addr & ~PAGE_MASK));