linux-kernel - Re: drivers/media/i2c/ccs/ccs.o: error: objtool: ccs_set_selection(): unexpected end of section .text.ccs_set

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Message-ID: <20251124184441.GB1084995@ax162>
Date: Mon, 24 Nov 2025 11:44:41 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: Sakari Ailus <sakari.ailus@...ux.intel.com>
Cc: Josh Poimboeuf <jpoimboe@...nel.org>, kernel test robot <lkp@...el.com>,
	oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>, linux-media@...r.kernel.org
Subject: Re: drivers/media/i2c/ccs/ccs.o: error: objtool:
 ccs_set_selection(): unexpected end of section .text.ccs_set_selection

Hi Sakari,

On Mon, Nov 24, 2025 at 12:29:06AM +0200, Sakari Ailus wrote:
> Thanks for cc'ing me.
> 
> I prefer this as there's no guarantee the value read via ccs_get_limit()
> would be non-zero. Presumably it is (and has been so far as no-one has hit
> this to my knowledge), but we shouldn't rely on that.

Ah, that makes sense. I misread some of the other places I thought were
using the value of CCS_LIM() as a divisor, guess I forgot my elementary
order of operations :) This appears to be the only overt one that I can
see.

> I can post a patch as well.

If you have time, that would be great (I am happy to build test and
review it). Otherwise, I can get to it soon.

Cheers,
Nathan