summaryrefslogtreecommitdiffstats
path: root/arch/i386/pci
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/pci')
-rw-r--r--arch/i386/pci/direct.c4
-rw-r--r--arch/i386/pci/mmconfig.c4
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)