Hi Luiz, > This fixes attemting to print hdev->name directly which causes them to > print an error: > > kernel: read_version:367: (efault): sock 000000006a3008f2 > > Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> > --- > include/net/bluetooth/bluetooth.h | 14 ++++++++------ > 1 file changed, 8 insertions(+), 6 deletions(-) > > diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h > index a647e5fabdbd..d82736e58d45 100644 > --- a/include/net/bluetooth/bluetooth.h > +++ b/include/net/bluetooth/bluetooth.h > @@ -204,19 +204,21 @@ void bt_err_ratelimited(const char *fmt, ...); > #define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__) > #endif > > +#define bt_dev_name(hdev) (hdev ? (hdev)->name : NULL) > + use ((hdev) ? (hdev)->name : “null”) > #define bt_dev_info(hdev, fmt, ...) \ > - BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__) > + BT_INFO("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) > #define bt_dev_warn(hdev, fmt, ...) \ > - BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__) > + BT_WARN("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) > #define bt_dev_err(hdev, fmt, ...) \ > - BT_ERR("%s: " fmt, (hdev)->name, ##__VA_ARGS__) > + BT_ERR("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) > #define bt_dev_dbg(hdev, fmt, ...) \ > - BT_DBG("%s: " fmt, (hdev)->name, ##__VA_ARGS__) > + BT_DBG("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) > > #define bt_dev_warn_ratelimited(hdev, fmt, ...) \ > - bt_warn_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__) > + bt_warn_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) > #define bt_dev_err_ratelimited(hdev, fmt, ...) \ > - bt_err_ratelimited("%s: " fmt, (hdev)->name, ##__VA_ARGS__) > + bt_err_ratelimited("%s: " fmt, bt_dev_name(hdev), ##__VA_ARGS__) Regards Marcel