From cf7b0f95d9579de8302f60345ef8ed05e2ebef50 Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Sat, 20 Sep 2025 17:18:50 -0400 Subject: kern: pci: Assume error if barreg is zero Signed-off-by: Ian Moffett --- src/sys/arch/amd64/io/pci/bar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; } -- cgit v1.2.3