diff options
| author | Ian Moffett <ian@osmora.org> | 2025-09-20 17:18:50 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-09-20 17:18:50 -0400 |
| commit | cf7b0f95d9579de8302f60345ef8ed05e2ebef50 (patch) | |
| tree | 9f30fd85976d964b75f89fa9e82a2bbe3cb32230 /src/sys/arch | |
| parent | 09d4082076755098fd73689c7dea22df0fd5b8cf (diff) | |
kern: pci: Assume error if barreg is zero
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'src/sys/arch')
| -rw-r--r-- | src/sys/arch/amd64/io/pci/bar.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sys/arch/amd64/io/pci/bar.c b/src/sys/arch/amd64/io/pci/bar.c index d3cfd0b..265d873 100644 --- a/src/sys/arch/amd64/io/pci/bar.c +++ b/src/sys/arch/amd64/io/pci/bar.c @@ -46,7 +46,7 @@ pci_bar_size(struct pci_device *dev, uint8_t bar) uint32_t reg_tmp, reg; uint8_t barreg = pci_get_barreg(bar); - if (dev == NULL) { + if (dev == NULL || barreg == 0) { return -EINVAL; } |