diff options
Diffstat (limited to 'arch/i386/pci/direct.c')
| -rw-r--r-- | arch/i386/pci/direct.c | 4 |
1 files changed, 3 insertions, 1 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); |