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Bluetooth: hci_core: Fix build warnings

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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@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2023-09-15 14:42:27 -07:00
parent 1d8e801422
commit dcda165706
2 changed files with 6 additions and 4 deletions
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2
include/net/bluetooth/hci_core.h
View File

@ -350,7 +350,7 @@ struct hci_dev {
struct list_head list;
struct mutex lock;
char name[8];
const char *name;
unsigned long flags;
__u16 id;
__u8 bus;

8
net/bluetooth/hci_core.c
View File

@ -2617,7 +2617,11 @@ int hci_register_dev(struct hci_dev *hdev)
if (id < 0)
return id;
snprintf(hdev->name, sizeof(hdev->name), "hci%d", id);
error = dev_set_name(&hdev->dev, "hci%u", id);
if (error)
return error;
hdev->name = dev_name(&hdev->dev);
hdev->id = id;
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
@ -2639,8 +2643,6 @@ int hci_register_dev(struct hci_dev *hdev)
if (!IS_ERR_OR_NULL(bt_debugfs))
hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
dev_set_name(&hdev->dev, "%s", hdev->name);
error = device_add(&hdev->dev);
if (error < 0)
goto err_wqueue;