(pci_probe) do not crash if there're more than 100 PCI devices

(usb_probe() was already safe)

2 files changed, 2 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 98c8417..43fa927 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,4 @@
+- do not crash if there're more than 100 PCI devices
 - further use libpci in order to check for PCIe capability
 
 Version 0.11.0 - 1 October 2009, Thierry Vignaud
diff --git a/pci.c b/pci.c
index 68c07af..5bd344f 100644
--- a/pci.c
+++ b/pci.c
@@ -51,7 +51,7 @@ extern struct pciusb_entries pci_probe(void) {
 	r.nb = 0;
 	r.entries = malloc(sizeof(struct pciusb_entry) * MAX_DEVICES);
 
-	for (dev = pacc->devices; dev; dev = dev->next, r.nb++) {
+	for (dev = pacc->devices; dev && r.nb < MAX_DEVICES; dev = dev->next, r.nb++) {
 
 		struct pciusb_entry *e = &r.entries[r.nb];
 		memset(buf, 0, CONFIG_SPACE_SIZE); // make sure not to retrieve values from previous devices