From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E5ECEC43458 for ; Mon, 6 Jul 2026 10:38:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:References:Cc:To:From:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ra6ISfD9SPm9nOu+EXB67TfhtSZZgazhoJXn2VSkq30=; b=eEQKjx6QG7jjKWMa48patDmTPR 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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Markus Elfring Date: Mon, 6 Jul 2026 10:34:43 +0200 Scope-based resource management became supported for some programming interfaces by contributions of Peter Zijlstra on 2023-05-26. See also the commit 54da6a0924311c7cf5015533991e44fb8eb12773 ("locking: Introduce __cleanup() based infrastructure"). * Thus use the attribute =E2=80=9C__free(kfree)=E2=80=9D. * Reduce the scope for the local variable =E2=80=9Cret=E2=80=9D. * Omit two kfree() calls accordingly. * Omit the local variable =E2=80=9Csize=E2=80=9D (for another memory alloc= ation). * Use the macro call =E2=80=9Creturn_ptr(ret)=E2=80=9D at the end. Signed-off-by: Markus Elfring =2D-- drivers/soc/fsl/dpio/dpio-service.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dp= io-service.c index 317ca50b0c2b..b252c3c7fa65 100644 =2D-- a/drivers/soc/fsl/dpio/dpio-service.c +++ b/drivers/soc/fsl/dpio/dpio-service.c @@ -652,23 +652,17 @@ EXPORT_SYMBOL_GPL(dpaa2_io_service_acquire); struct dpaa2_io_store *dpaa2_io_store_create(unsigned int max_frames, struct device *dev) { - struct dpaa2_io_store *ret; - size_t size; - if (!max_frames || (max_frames > 32)) return NULL; =20 - ret =3D kmalloc_obj(*ret); + struct dpaa2_io_store *ret __free(kfree) =3D kmalloc_obj(*ret); if (!ret) return NULL; =20 ret->max =3D max_frames; - size =3D max_frames * sizeof(struct dpaa2_dq) + 64; - ret->alloced_addr =3D kzalloc(size, GFP_KERNEL); - if (!ret->alloced_addr) { - kfree(ret); + ret->alloced_addr =3D kzalloc(max_frames * sizeof(struct dpaa2_dq) + 64,= GFP_KERNEL); + if (!ret->alloced_addr) return NULL; - } =20 ret->vaddr =3D PTR_ALIGN(ret->alloced_addr, 64); ret->paddr =3D dma_map_single(dev, ret->vaddr, @@ -676,14 +670,13 @@ struct dpaa2_io_store *dpaa2_io_store_create(unsigne= d int max_frames, DMA_FROM_DEVICE); if (dma_mapping_error(dev, ret->paddr)) { kfree(ret->alloced_addr); - kfree(ret); return NULL; } =20 ret->idx =3D 0; ret->dev =3D dev; =20 - return ret; + return_ptr(ret); } EXPORT_SYMBOL_GPL(dpaa2_io_store_create); =20 =2D-=20 2.54.0