From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This fixes the following warnings:
net/bluetooth/hci_core.c: In function ‘hci_register_dev’:
net/bluetooth/hci_core.c:2620:54: warning: ‘%d’ directive output may
be truncated writing between 1 and 10 bytes into a region of size 5
[-Wformat-truncation=]
2620 | snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
| ^~
net/bluetooth/hci_core.c:2620:50: note: directive argument in the range
[0, 2147483647]
2620 | snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
| ^~~~~~~
net/bluetooth/hci_core.c:2620:9: note: ‘snprintf’ output between 5 and
14 bytes into a destination of size 8
2620 | snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
net/bluetooth/hci_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index db4f28d68d71..5a7fb496297b 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -2617,7 +2617,8 @@ int hci_register_dev(struct hci_dev *hdev)
if (id < 0)
return id;
- snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
+ snprintf(hdev->name, sizeof(hdev->name), "hci%u",
+ id ? id % HCI_MAX_ID : id);
hdev->id = id;
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
--
2.41.0
