linux-kernel - Re: [PATCH][next] drm/i915: remove redundant assignement to variable err

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Date: Mon, 15 Apr 2024 13:21:32 +0200
From: Andi Shyti <andi.shyti@...ux.intel.com>
To: Colin Ian King <colin.i.king@...il.com>
Cc: Jani Nikula <jani.nikula@...ux.intel.com>,
	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
	Rodrigo Vivi <rodrigo.vivi@...el.com>,
	Tvrtko Ursulin <tursulin@...ulin.net>,
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
	Andi Shyti <andi.shyti@...ux.intel.com>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] drm/i915: remove redundant assignement to variable
 err

Hi Colin,

On Mon, Apr 15, 2024 at 10:56:59AM +0100, Colin Ian King wrote:
> The variable err is being assigned a value 0 that is never read, the
> break statement escapes a do-while loop and then the code returns
> without referencing err. The assignment is redundant and can be
> removed.
> 
> Cleans up clang scan build warning:
> drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:1075:5: warning: Value
> stored to 'err' is never read [deadcode.DeadStores]
> 
> Signed-off-by: Colin Ian King <colin.i.king@...il.com>

Reviewed-by: Andi Shyti <andi.shyti@...ux.intel.com>

Thanks,
Andi