linux-kernel - Re: [PATCH] clkdev: report over-sized strings when creating clkdev entries

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Message-ID: <560549ed7db5da2f2727dc053a5d196d.sboyd@kernel.org>
Date: Wed, 01 May 2024 18:02:54 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Russell King <rmk+kernel@...linux.org.uk>, linux-arm-kernel@...ts.infradead.org
Cc: Duanqiang Wen <duanqiangwen@...-swift.com>, mturquette@...libre.com, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clkdev: report over-sized strings when creating clkdev entries

Quoting Stephen Boyd (2024-05-01 17:59:16)
> Quoting Russell King (Oracle) (2024-03-15 04:47:55)
> > Report an error when an attempt to register a clkdev entry results in a
> > truncated string so the problem can be easily spotted.
> > 
> > Reported by: Duanqiang Wen <duanqiangwen@...-swift.com>
> > Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> > ---
> 
> Applied to clk-next
> 

And backed out because I get a compilation failure

drivers/clk/clkdev.c: In function 'vclkdev_alloc':
drivers/clk/clkdev.c:182:17: error: function 'vclkdev_alloc' might be a candidate for 'gnu_printf' format attribute [-Werror=suggest-attribute=format]
  182 |                 res = vsnprintf(cla->dev_id, sizeof(cla->dev_id), dev_fmt, ap);
      |                 ^~~
cc1: all warnings being treated as errors
make[5]: *** [scripts/Makefile.build:244: drivers/clk/clkdev.o] Error 1
make[4]: *** [scripts/Makefile.build:485: drivers/clk] Error 2