Hi Szymon,
Even with rate limited reporting this is very spammy and since it is remote device that is providing bogus data there is no need to report this as error.
[72454.143336] bt_err_ratelimited: 10 callbacks suppressed [72454.143337] Bluetooth: hci0: advertising data len corrected [72454.296314] Bluetooth: hci0: advertising data len corrected [72454.892329] Bluetooth: hci0: advertising data len corrected [72455.051319] Bluetooth: hci0: advertising data len corrected [72455.357326] Bluetooth: hci0: advertising data len corrected [72455.663295] Bluetooth: hci0: advertising data len corrected [72455.787278] Bluetooth: hci0: advertising data len corrected [72455.942278] Bluetooth: hci0: advertising data len corrected [72456.094276] Bluetooth: hci0: advertising data len corrected [72456.249137] Bluetooth: hci0: advertising data len corrected [72459.416333] bt_err_ratelimited: 13 callbacks suppressed [72459.416334] Bluetooth: hci0: advertising data len corrected [72459.721334] Bluetooth: hci0: advertising data len corrected [72460.011317] Bluetooth: hci0: advertising data len corrected [72460.327171] Bluetooth: hci0: advertising data len corrected [72460.638294] Bluetooth: hci0: advertising data len corrected [72460.946350] Bluetooth: hci0: advertising data len corrected [72461.225320] Bluetooth: hci0: advertising data len corrected [72461.690322] Bluetooth: hci0: advertising data len corrected [72462.118318] Bluetooth: hci0: advertising data len corrected [72462.427319] Bluetooth: hci0: advertising data len corrected [72464.546319] bt_err_ratelimited: 7 callbacks suppressed [72464.546319] Bluetooth: hci0: advertising data len corrected [72464.857318] Bluetooth: hci0: advertising data len corrected [72465.163332] Bluetooth: hci0: advertising data len corrected [72465.278331] Bluetooth: hci0: advertising data len corrected [72465.432323] Bluetooth: hci0: advertising data len corrected [72465.891334] Bluetooth: hci0: advertising data len corrected [72466.045334] Bluetooth: hci0: advertising data len corrected [72466.197321] Bluetooth: hci0: advertising data len corrected [72466.340318] Bluetooth: hci0: advertising data len corrected [72466.498335] Bluetooth: hci0: advertising data len corrected [72469.803299] bt_err_ratelimited: 10 callbacks suppressed
Signed-off-by: Szymon Janc szymon.janc@codecoup.pl Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=203753 Cc: stable@vger.kernel.org
net/bluetooth/hci_event.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 5e99968939ce..2a27d5764ba0 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -5476,8 +5476,8 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
/* Adjust for actual length */ if (len != real_len) {
bt_dev_err_ratelimited(hdev, "advertising data len corrected %u -> %u",len, real_len);
bt_dev_dbg(hdev, "advertising data len corrected %u->%u",len, real_len);
then don’t even bother with bt_dev_dbg either. That is also just eating up cycles.
Regards
Marcel