linux-kernel - Re: [PATCH] enetc: use correct format characters

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Date:   Thu, 17 Mar 2022 11:51:45 -0700
From:   Bill Wendling <morbo@...gle.com>
To:     Claudiu Manoil <claudiu.manoil@....com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "llvm@...ts.linux.dev" <llvm@...ts.linux.dev>
Subject: Re: [PATCH] enetc: use correct format characters

On Thu, Mar 17, 2022 at 10:37 AM Claudiu Manoil <claudiu.manoil@....com> wrote:
>
> > -----Original Message-----
> > From: Bill Wendling <morbo@...gle.com>
> > Sent: Wednesday, March 16, 2022 11:31 PM
> [...]
> > Subject: [PATCH] enetc: use correct format characters
> >
> > When compiling with -Wformat, clang emits the following warning:
> >
> > drivers/net/ethernet/freescale/enetc/enetc_mdio.c:151:22: warning:
> > format specifies type 'unsigned char' but the argument has type 'int'
> > [-Wformat]
> >                         phy_id, dev_addr, regnum);
> >                                           ^~~~~~
> > ./include/linux/dev_printk.h:163:47: note: expanded from macro 'dev_dbg'
> >                 dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
> >                                                     ~~~     ^~~~~~~~~~~
> > ./include/linux/dev_printk.h:129:34: note: expanded from macro
> > 'dev_printk'
> >                 _dev_printk(level, dev, fmt, ##__VA_ARGS__);            \
> >                                         ~~~    ^~~~~~~~~~~
> >
> > The types of these arguments are unconditionally defined, so this patch
> > updates the format character to the correct ones for ints and unsigned ints.
> >
> > Link: ClangBuiltLinux/linux#378
> > Signed-off-by: Bill Wendling <morbo@...gle.com>
>
> Reviewed-by: Claudiu Manoil <claudiu.manoil@....com>
> Fixes: ebfcb23d62ab ("enetc: Add ENETC PF level external MDIO support")
>
Thanks Claudiu.

Could you change the Link about to this one? It's a valid URL.

Link: https://github.com/ClangBuiltLinux/linux/issues/378

> Can be also net-next material. It's up to you. Thx.