diff options
-rw-r--r-- | arch/x86_64/kernel/pci-nommu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c index 44adcc2d5e5b..1f6ecc62061d 100644 --- a/arch/x86_64/kernel/pci-nommu.c +++ b/arch/x86_64/kernel/pci-nommu.c | |||
@@ -12,9 +12,10 @@ static int | |||
12 | check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) | 12 | check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) |
13 | { | 13 | { |
14 | if (hwdev && bus + size > *hwdev->dma_mask) { | 14 | if (hwdev && bus + size > *hwdev->dma_mask) { |
15 | printk(KERN_ERR | 15 | if (*hwdev->dma_mask >= 0xffffffffULL) |
16 | "nommu_%s: overflow %Lx+%lu of device mask %Lx\n", | 16 | printk(KERN_ERR |
17 | name, (long long)bus, size, (long long)*hwdev->dma_mask); | 17 | "nommu_%s: overflow %Lx+%lu of device mask %Lx\n", |
18 | name, (long long)bus, size, (long long)*hwdev->dma_mask); | ||
18 | return 0; | 19 | return 0; |
19 | } | 20 | } |
20 | return 1; | 21 | return 1; |