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-rw-r--r--mdk-stage1/probing.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/mdk-stage1/probing.c b/mdk-stage1/probing.c
index 8da6fada8..01d71e59b 100644
--- a/mdk-stage1/probing.c
+++ b/mdk-stage1/probing.c
@@ -94,6 +94,10 @@ static char * net_intf_too_early_name[50]; /* for modules providing more than on
static int net_intf_too_early_number = 0;
static int net_intf_too_early_ptr = 0;
+const char * safe_descr(const char * text) {
+ return text ? text : "unknown";
+}
+
void prepare_intf_descr(const char * intf_descr)
{
intf_descr_for_discover = strdup(intf_descr);
@@ -174,7 +178,7 @@ static void add_detected_device(unsigned short vendor, unsigned short device, un
dev->subdevice = subdevice;
strncpy(dev->module, module, sizeof(dev->module) - 1);
dev->module[sizeof(dev->module) - 1] = '\0';
- strncpy(dev->description, name, sizeof(dev->description) - 1);
+ strncpy(dev->description, safe_descr(name), sizeof(dev->description) - 1);
dev->description[sizeof(dev->description) - 1] = '\0';
log_message("detected device (%04x, %04x, %04x, %04x, %s, %s)", vendor, device, subvendor, subdevice, name, module);
}
@@ -261,7 +265,7 @@ static const char * get_alternate_module(const char * name)
void discovered_device(enum driver_type type, const char * description, const char * driver)
{
-
+ description = safe_descr(description);
enum insmod_return failed = INSMOD_FAILED;
#ifndef DISABLE_MEDIAS
@@ -304,7 +308,7 @@ void probe_pci_modules(enum driver_type type, char **pci_modules, unsigned int
struct pciusb_entry *e = &entries.entries[i];
if (device_match_modules_list(e, pci_modules, pci_modules_len)) {
log_message("PCI: device %04x %04x %04x %04x is \"%s\", driver is %s",
- e->vendor, e->device, e->subvendor, e->subdevice, e->text, e->module);
+ e->vendor, e->device, e->subvendor, e->subdevice, safe_descr(e->text), e->module);
discovered_device(type, e->text, e->module);
}
}
@@ -385,7 +389,7 @@ void probe_that_type(enum driver_type type, enum media_bus bus __attribute__ ((u
for (i = 0; i < entries.nb; i++) {
struct pciusb_entry *e = &entries.entries[i];
if (device_match_modules_list(e, usb_modules, usb_modules_len)) {
- log_message("USB: device %04x %04x is \"%s\" (%s)", e->vendor, e->device, e->text, e->module);
+ log_message("USB: device %04x %04x is \"%s\" (%s)", e->vendor, e->device, safe_descr(e->text), e->module);
discovered_device(type, e->text, e->module);
}
}