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-rw-r--r--src/udev/udev-builtin-usb_id.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/udev/udev-builtin-usb_id.c b/src/udev/udev-builtin-usb_id.c
index e020f8198f..ce9ffe7db8 100644
--- a/src/udev/udev-builtin-usb_id.c
+++ b/src/udev/udev-builtin-usb_id.c
@@ -189,7 +189,7 @@ static int dev_if_packed_info(struct udev_device *dev, char *ifs_str, size_t len
pos = 0;
strpos = 0;
ifs_str[0] = '\0';
- while (pos < sizeof(buf) && strpos+7 < len-2) {
+ while (pos < size && strpos+7 < len-2) {
struct usb_interface_descriptor *desc;
char if_str[8];