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From: Leo Yan <leo.yan@arm.com>
To: James Clark <james.clark@linaro.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>,
	Mike Leach <mike.leach@arm.com>,
	coresight@lists.linaro.org, linux-kernel@vger.kernel.org,
	Sashiko <sashiko-bot@kernel.org>
Subject: Re: [PATCH] coresight: etm3x: Remove redundant NULL check on perf event attr
Date: Tue, 27 Oct 2026 09:27:44 +0000	[thread overview]
Message-ID: <20261027092744.GA769456@e132581.arm.com> (raw)
In-Reply-To: <20261027-james-cs-redundant-null-check-v1-1-ed9486be26e4@linaro.org>

On Tue, Oct 27, 2026 at 09:17:06AM +0000, James Clark wrote:
> attr is derived from &event->attr, so it can never be NULL even if
> event were NULL, making the check dead code. The only caller,
> etm_enable_perf(), always passes a valid event anyway, so remove the
> check.
> 
> Reported-by: Sashiko <sashiko-bot@kernel.org>
> Closes: https://sashiko.dev/#/bug/linux-c4ca0d3c-1e98-4965-aa46-da226c756b83
> Signed-off-by: James Clark <james.clark@linaro.org>

Reviewed-by: Leo Yan <leo.yan@arm.com>

      reply	other threads:[~2026-10-27  9:27 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-27  9:17 James Clark
2026-10-27  9:27 ` Leo Yan [this message]

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