linux-kernel - Re: [PATCH v2 1/1] Bluetooth: make hci_test

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Message-Id: <9209F1E9-EE66-44C5-B144-28D8B5E4BF4C@holtmann.org>
Date:	Fri, 27 Feb 2015 09:31:51 -0800
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	Johan Hedberg <johan.hedberg@...il.com>,
	BlueZ development <linux-bluetooth@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"Gustavo F. Padovan" <gustavo@...ovan.org>
Subject: Re: [PATCH v2 1/1] Bluetooth: make hci_test_bit's addr const

Hi Jiri,

> gcc5 warns about passing a const array to hci_test_bit which takes a
> non-const pointer:
> net/bluetooth/hci_sock.c: In function ‘hci_sock_sendmsg’:
> net/bluetooth/hci_sock.c:955:8: warning: passing argument 2 of ‘hci_test_bit’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-array-qualifiers]
>        &hci_sec_filter.ocf_mask[ogf])) &&
>        ^
> net/bluetooth/hci_sock.c:49:19: note: expected ‘void *’ but argument is of type ‘const __u32 (*)[4] {aka const unsigned int (*)[4]}’
> static inline int hci_test_bit(int nr, void *addr)
>                   ^
> 
> So make 'addr' 'const void *'.
> 
> [v2] make the pointer in the cast const too. 

btw. the version comments should go after the --- so that git am takes it back out. I do not need them in the commit message.

> 
> Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> Cc: Marcel Holtmann <marcel@...tmann.org>
> Cc: Gustavo Padovan <gustavo@...ovan.org>
> Cc: Johan Hedberg <johan.hedberg@...il.com>
> ---
> net/bluetooth/hci_sock.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Patch has been applied to bluetooth-next tree.

Regards

Marcel

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