diff options
Diffstat (limited to 'arch/i386/pci')
| -rw-r--r-- | arch/i386/pci/direct.c | 4 | ||||
| -rw-r--r-- | arch/i386/pci/mmconfig.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c index 4457cf3eb40..0659ced0118 100644 --- a/arch/i386/pci/direct.c +++ b/arch/i386/pci/direct.c @@ -19,8 +19,10 @@ int pci_conf1_read(unsigned int seg, unsigned int bus, { unsigned long flags; - if (!value || (bus > 255) || (devfn > 255) || (reg > 255)) + if (!value || (bus > 255) || (devfn > 255) || (reg > 255)) { + *value = -1; return -EINVAL; + } spin_lock_irqsave(&pci_config_lock, flags); diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index 2002c741a38..f77d7f8b9bf 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -80,8 +80,10 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned long flags; u32 base; - if (!value || (bus > 255) || (devfn > 255) || (reg > 4095)) + if (!value || (bus > 255) || (devfn > 255) || (reg > 4095)) { + *value = -1; return -EINVAL; + } base = get_base_addr(seg, bus, devfn); if (!base) |