linux-kernel - Re: [PATCH v6 4/4] Bluetooth: Add toggle to switch off interleave scan

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Date:   Mon, 28 Sep 2020 12:45:04 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Howard Chung <howardchung@...gle.com>
Cc:     linux-bluetooth@...r.kernel.org, marcel@...tmann.org,
        luiz.dentz@...il.com, alainm@...omium.org, mcchou@...omium.org,
        mmandlik@...omium.orgi, "David S. Miller" <davem@...emloft.net>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v6 4/4] Bluetooth: Add toggle to switch off interleave
 scan

On Mon, 28 Sep 2020 15:41:21 +0800 Howard Chung wrote:
> This patch add a configurable parameter to switch off the interleave
> scan feature.
> 
> Signed-off-by: Howard Chung <howardchung@...gle.com>
> Reviewed-by: Alain Michaud <alainm@...omium.org>

This seems to cause new warnings on W=1 C=1 builds:

In file included from ../net/bluetooth/mgmt_config.c:7:
net/bluetooth/mgmt_config.c: In function ‘set_def_system_config’:
include/net/bluetooth/bluetooth.h:186:10: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 4 has type ‘int’ [-Wformat=]
  186 |  BT_WARN("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
      |          ^~~~~~
include/net/bluetooth/bluetooth.h:174:35: note: in definition of macro ‘BT_WARN’
  174 | #define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__)
      |                                   ^~~
net/bluetooth/mgmt_config.c:165:4: note: in expansion of macro ‘bt_dev_warn’
  165 |    bt_dev_warn(hdev, "invalid length %d, exp %zu for type %d",
      |    ^~~~~~~~~~~
net/bluetooth/mgmt_config.c:79:17: warning: incorrect type in initializer (different base types)
net/bluetooth/mgmt_config.c:79:17:    expected restricted __le16 [usertype] type
net/bluetooth/mgmt_config.c:79:17:    got int
net/bluetooth/mgmt_config.c:79:17: warning: incorrect type in initializer (different base types)
net/bluetooth/mgmt_config.c:79:17:    expected restricted __le16 [usertype] value_le16
net/bluetooth/mgmt_config.c:79:17:    got unsigned char [usertype]