From nobody Mon Feb 9 09:00:29 2026 Received: from smtp.smtpout.orange.fr (smtp-26.smtpout.orange.fr [80.12.242.26]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E871B12B173 for ; Fri, 23 Feb 2024 17:10:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.12.242.26 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708708249; cv=none; b=V/n65KD4VoLGdKLdxtGEGLi661MrEhRySSMqYNlhoZQAvjIdRC9J1M4+0L6K3TtkeFy19o4VCj0xU8C/F8o+V7zt5KHh2yhjtg25PBasN4BfGHYHZg5eeQE6kUMuUtwyuULgTFM4z6Mf2GCqeRumjcsinPEi60yOYD1MsX1dFQk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708708249; c=relaxed/simple; bh=y9JUzFCj5/6Y4JFU5uKrYaAMUtXH6djFg6d36YsXAVU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=nPjlRCk/XmtLqn+6K6wiQDw0fQ9Kvd9Phq/3qx7hrHwHuZhEJF1EzZTKm9fJjVOkC1Ax2zXEU1Jh4sNvhfcdFQENrYXaTugQ/CsishcRjNjPSWyB4idxYdwaUCHp0Rf13UdSBrsA/Kwbsxvo0Bl4rO/dAaBYnpmLF6xJq7clBGo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr; spf=pass smtp.mailfrom=wanadoo.fr; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b=ZFxKjX92; arc=none smtp.client-ip=80.12.242.26 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b="ZFxKjX92" Received: from fedora.home ([92.140.202.140]) by smtp.orange.fr with ESMTPA id dZ3GrKc3YdwEKdZ3GrQYVX; Fri, 23 Feb 2024 18:09:37 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1708708177; bh=yqjFD2SSA0fcwHyt4UvJnhSi3JeettLpDMfFQ+pNE78=; h=From:To:Cc:Subject:Date; b=ZFxKjX92Vu7ZqQCSXP5FXEIV4ARiUZPiTmKDl8DjfrUCWc8awqrlxd1pGs1iaZD1V ndBEv+CCPhtf4lo3spUhMT0FIZxcNl1bPZzZ6KgTC/Bd9K22kU90ZiBrLJLa0Gpgit r5mpBLS6NhtRdB6oejdlo5L8Vi/byW7v0/CVVenpgBMkRWhHsB41yRVOOjEu4Igjx1 EpdofouwzhryL49+ZIBtKnONYzCCpGC6fjGpe1iqqsnZfB3F735Hw0+SgVzN8THGMB MBvpPyvaAF0KW62UBEvVrNlthJUj5YfQltxx/yG1t0IMxCSFGrMuIlxxscCGsV8qmJ mm7/FlCgFIXOQ== X-ME-Helo: fedora.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Fri, 23 Feb 2024 18:09:37 +0100 X-ME-IP: 92.140.202.140 From: Christophe JAILLET To: Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , David Airlie , Daniel Vetter Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH] drm/i915/display: Save a few bytes of memory in intel_backlight_device_register() Date: Fri, 23 Feb 2024 18:09:28 +0100 Message-ID: X-Mailer: git-send-email 2.43.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 'name' may still be "intel_backlight" when backlight_device_register() is called. In such a case, using kstrdup_const() saves a memory duplication when dev_set_name() is called in backlight_device_register(). Use kfree_const() accordingly. Signed-off-by: Christophe JAILLET --- Compile tested only --- drivers/gpu/drm/i915/display/intel_backlight.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/d= rm/i915/display/intel_backlight.c index 1946d7fb3c2e..9e4a9d4f1585 100644 --- a/drivers/gpu/drm/i915/display/intel_backlight.c +++ b/drivers/gpu/drm/i915/display/intel_backlight.c @@ -949,7 +949,7 @@ int intel_backlight_device_register(struct intel_connec= tor *connector) else props.power =3D FB_BLANK_POWERDOWN; =20 - name =3D kstrdup("intel_backlight", GFP_KERNEL); + name =3D kstrdup_const("intel_backlight", GFP_KERNEL); if (!name) return -ENOMEM; =20 @@ -963,7 +963,7 @@ int intel_backlight_device_register(struct intel_connec= tor *connector) * compatibility. Use unique names for subsequent backlight devices as a * fallback when the default name already exists. */ - kfree(name); + kfree_const(name); name =3D kasprintf(GFP_KERNEL, "card%d-%s-backlight", i915->drm.primary->index, connector->base.name); if (!name) @@ -987,7 +987,7 @@ int intel_backlight_device_register(struct intel_connec= tor *connector) connector->base.base.id, connector->base.name, name); =20 out: - kfree(name); + kfree_const(name); =20 return ret; } --=20 2.43.2