diff options
Diffstat (limited to 'arch/x86/cpu/pci.c')
| -rw-r--r-- | arch/x86/cpu/pci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/x86/cpu/pci.c b/arch/x86/cpu/pci.c index f8da08035e..d2ec45a240 100644 --- a/arch/x86/cpu/pci.c +++ b/arch/x86/cpu/pci.c @@ -76,7 +76,8 @@ unsigned int x86_pci_read_config8(pci_dev_t dev, unsigned where) { uint8_t value; - pci_hose_read_config_byte(get_hose(), dev, where, &value); + if (pci_hose_read_config_byte(get_hose(), dev, where, &value)) + return -1U; return value; } @@ -85,7 +86,8 @@ unsigned int x86_pci_read_config16(pci_dev_t dev, unsigned where) { uint16_t value; - pci_hose_read_config_word(get_hose(), dev, where, &value); + if (pci_hose_read_config_word(get_hose(), dev, where, &value)) + return -1U; return value; } @@ -94,7 +96,8 @@ unsigned int x86_pci_read_config32(pci_dev_t dev, unsigned where) { uint32_t value; - pci_hose_read_config_dword(get_hose(), dev, where, &value); + if (pci_hose_read_config_dword(get_hose(), dev, where, &value)) + return -1U; return value; } |
