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-rw-r--r--sys/dev/pci/pci.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index 9d32237..c0ed235 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -1626,8 +1626,8 @@ pci_alloc_map(device_t dev, device_t child, int type, int *rid,
map = pci_read_config(child, *rid, 4);
pci_write_config(child, *rid, 0xffffffff, 4);
testval = pci_read_config(child, *rid, 4);
- if (testval == 0)
- return (NULL);
+ if (pci_mapbase(testval) == 0)
+ goto out;
if (pci_maptype(testval) & PCI_MAPMEM) {
if (type != SYS_RES_MEMORY) {
if (bootverbose)
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