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Kernel: Don't crash if header type != 0 in bar region creation 

Also remove spammy debug printing
This commit is contained in:
Bananymous 2023-10-13 16:32:32 +03:00
parent 45a6783c3d
commit c7b6fc950a
1 changed files with 5 additions and 3 deletions
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8
kernel/kernel/PCI.cpp
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@ -190,7 +190,11 @@ namespace Kernel::PCI
BAN::ErrorOr<BAN::UniqPtr<BarRegion>> BarRegion::create(PCI::Device& device, uint8_t bar_num)
{
ASSERT(device.header_type() == 0x00);
if (device.header_type() != 0x00)
{
dprintln("BAR regions for non general devices are not supported");
return BAN::Error::from_errno(ENOTSUP);
}
// disable io/mem space while reading bar
uint16_t command = device.read_word(PCI_REG_COMMAND);
@ -390,11 +394,9 @@ namespace Kernel::PCI
{
case 0x05:
m_offset_msi = capability_offset;
dprintln("{}:{}.{} has MSI", m_bus, m_dev, m_func);
break;
case 0x11:
m_offset_msi_x = capability_offset;
dprintln("{}:{}.{} has MSI-X", m_bus, m_dev, m_func);
break;
default:
break;