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-rw-r--r--usbreset.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/usbreset.c b/usbreset.c
index 0fcba41..68f87cb 100644
--- a/usbreset.c
+++ b/usbreset.c
@@ -65,6 +65,8 @@ static struct usbentry *parse_devlist(DIR *d)
} while (!isdigit(e->d_name[0]) || strchr(e->d_name, ':'));
memset(&dev, 0, sizeof(dev));
+ dev.vendor_id = -1;
+ dev.product_id = -1;
attr = sysfs_attr(e->d_name, "busnum");
if (attr)
@@ -90,7 +92,7 @@ static struct usbentry *parse_devlist(DIR *d)
if (attr)
strcpy(dev.product_name, attr);
- if (dev.bus_num && dev.dev_num && dev.vendor_id && dev.product_id)
+ if (dev.bus_num && dev.dev_num && dev.vendor_id >= 0 && dev.product_id >= 0)
return &dev;
return NULL;