From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 293593749F4; Sat, 4 Jul 2026 18:11:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783188707; cv=none; b=qZlJQlOA3w3hssWCEnj9wh+220TV55l2vlT4LgeFu62zByhNpDBWUzyTfqynNJmNwcRsNYQhxs9lmYudJoOlGEdKUfQkwTcYFaILJt8+xXakSZIVUGwq7CsehbVr0d3CDXmrdRRJFfm9wKvEXUw+bjR++xPW0bkDsWG2dC2h0xg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783188707; c=relaxed/simple; bh=GcM9WomvUelKQMvW2BzflF22wI+CxMC31EP1q4nla1w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WqtXFcYprn6wOtVWF+1QLnMKA3rGtrLJdYPJyi8k2wLczLEbI3RnZcdfRCfW0f8k9NFQcvK7QxxR+AAnBxRILfEHGMSmCvXrIXLiH1CengWVHvO4HyFMbC8fABnsdScBZa+VcgEu5A1oiWDKVCsqtbO3GEnmH3ksIanzATus86w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dWzj0rNe; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dWzj0rNe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D27D81F00A3F; Sat, 4 Jul 2026 18:11:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783188706; bh=iM2Eb2ExS7GI1ym8vhWA/m10zp74Amrd4zSKSC4zHiE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=dWzj0rNehdXjgnHmvP2SvRyGTlmdNS1ZLdg1+GnC52ueSO4Mm3a8QznUvmieKUZ+N nsSC0Zfh9MrnVyi8SAq1lxBxNJULRmIWbXkLIXQV6RllnHrsqFZ1udwnYx+CD4W5e/ KiIICcOVC+/p+ObNMHa8hLIPFvD2aCZq7O7oDR5AMlxEM0O3VxZyMZe+xfs7j3Uxxw mEyiDjSlpeZUabHMNUAkAY9jhMi3Bzyk9IzHw3yk4hYVIr8LDa8f0UnVx+LGPTPlB4 JUkY7RxPUEXuFRZ0YY02FkFwbW9Cp4FdPBujvag7RUtNuII553OMacjjNs9q0URspN eZ+3IFi3mVmUQ== From: SJ Park To: Cc: SJ Park , Andrew Morton , damon@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [RFC PATCH 04/11] mm/damon/sysfs: ignore damon_stop() return value Date: Sat, 4 Jul 2026 11:11:27 -0700 Message-ID: <20260704181135.132956-5-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260704181135.132956-1-sj@kernel.org> References: <20260704181135.132956-1-sj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit damon_stop() return value is guaranteed to be 0. Ignore it. Signed-off-by: SJ Park --- mm/damon/sysfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/damon/sysfs.c b/mm/damon/sysfs.c index b65651498e0d1..6d7e36c9e509d 100644 --- a/mm/damon/sysfs.c +++ b/mm/damon/sysfs.c @@ -2262,12 +2262,13 @@ static int damon_sysfs_turn_damon_off(struct damon_sysfs_kdamond *kdamond) { if (!kdamond->damon_ctx) return -EINVAL; - return damon_stop(&kdamond->damon_ctx, 1); + damon_stop(&kdamond->damon_ctx, 1); /* * To allow users show final monitoring results of already turned-off * DAMON, we free kdamond->damon_ctx in next * damon_sysfs_turn_damon_on(), or kdamonds_nr_store() */ + return 0; } static int damon_sysfs_damon_call(int (*fn)(void *data), -- 2.47.3