linux-kernel - RE: [PATCH 2/4] isdn/eicon: fix some message formatting errors

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Date:   Mon, 31 Oct 2016 13:42:18 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Nicolas Iooss' <nicolas.iooss_linux@....org>,
        Armin Schindler <mac@...ware.de>,
        Karsten Keil <isdn@...ux-pingi.de>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 2/4] isdn/eicon: fix some message formatting errors

From: Nicolas Iooss
> Sent: 29 October 2016 13:56
> There are some inconsistent debug message formats in message.c. For
> example,
> 
>     dprintf("XDI CAPI: RC cancelled Id:0x02, Ch:%02x", e->Id, ch);
> 
> wrongly reports an ID of 2 and prints the entity ID as the channel ID.
> There are also object pointers which are used instead of the IDs.
> 
> All these inconsistent formats have been found by adding __printf
> attribute to myDbgPrint_...() functions (used by dbug()). As this makes
> the compiler to also complain about using "%ld" with unsigned int values
> (instead of "%u")...

The problem isn’t 'u' <=> 'd' but the 'l'.
They need fixing as well.
It only appears to work because the 64bit architectures pass enough
arguments in registers.

	David