From nobody Sun Feb 8 22:48:51 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 0B68930E831; Sun, 4 Jan 2026 13:51:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767534714; cv=none; b=kC0q0w1pY2D4+cW118iVfDtIpdxB8AGLSFmWtmEOxbOWcvKErA45HP3L4zmvcNULNT7DnaDiNPqxZnkIKPpItKcPQ3NDzB6RTBgCeQ+1KpwwqZT7HeraW5/vZH3dx2TIpbpagAo3VQ/PcGrqT565OFWsQ5X2DK4ZQDHWLB8gQJU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767534714; c=relaxed/simple; bh=EeZQUbk7mszSUq49dnmxH/p0FndUizzKMzIynzr0iz4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=qRN9a4Ul5U/m9u5PSqA/hx0eV6pcRkOv65l48SM2LDblUpT6ekvys8GqXuX1EEQG53Do9mXvvjBisLtnPCiziyfoOkDBprLYrS+hNNOzr7MPO4hYQXbk4arxjAW2Ef6c7ctKxGdhSpV2+lhLk6MxETysY9VKsjHmlBcdF73BUNQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GyQdDSyu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GyQdDSyu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E3D8AC19422; Sun, 4 Jan 2026 13:51:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767534713; bh=EeZQUbk7mszSUq49dnmxH/p0FndUizzKMzIynzr0iz4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GyQdDSyuC1YAO481SXcqr5pC/JPW/Cw1nrI/C3LjcRoHz03+y7DIXPhkBhB5c2VIz 74an+Et9bXf3miz1DiCL/YiTgLWXG++tAZV7C9stH/qdOLXeFdpPFTy0zGZJ8zKSgJ HJwqNliVR/P1ltwrHhQ7UADD4/xVN04IaW07eL4DCrTQ/bGQzrUieS+wsp2TQWPvjL UzzH/j2BLxd+YNlRvn+4KmrVdhlLhoaI82f1C53YzJCzRcPbpNuYzxQP4OtxpnwDcA 2xHxjWivrcyVmEqFhmSsfd1l2KVqi4cO/b3AE4gyeR/jNRis4KhXrjOpf/V++bB48W D29zNnHeeHpUA== From: Leon Romanovsky To: Jason Gunthorpe , Leon Romanovsky , Yishai Hadas , Chiara Meiohas , Michal Kalderon , Selvin Xavier Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH rdma-next 1/6] RDMA/umem: Remove redundant DMABUF ops check Date: Sun, 4 Jan 2026 15:51:33 +0200 Message-ID: <20260104-ib-core-misc-v1-1-00367f77f3a8@nvidia.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260104-ib-core-misc-v1-0-00367f77f3a8@nvidia.com> References: <20260104-ib-core-misc-v1-0-00367f77f3a8@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.15-dev-a6db3 Content-Transfer-Encoding: quoted-printable From: Leon Romanovsky ib_umem_dmabuf_get_with_dma_device() is an in-kernel function and does not require a defensive check for the .move_notify callback. All current callers guarantee that this callback is always present. Signed-off-by: Leon Romanovsky Reviewed-by: Kalesh AP --- drivers/infiniband/core/umem_dmabuf.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/infiniband/core/umem_dmabuf.c b/drivers/infiniband/cor= e/umem_dmabuf.c index 0ec2e4120cc9..939da49b0dcc 100644 --- a/drivers/infiniband/core/umem_dmabuf.c +++ b/drivers/infiniband/core/umem_dmabuf.c @@ -129,9 +129,6 @@ ib_umem_dmabuf_get_with_dma_device(struct ib_device *de= vice, if (check_add_overflow(offset, (unsigned long)size, &end)) return ret; =20 - if (unlikely(!ops || !ops->move_notify)) - return ret; - dmabuf =3D dma_buf_get(fd); if (IS_ERR(dmabuf)) return ERR_CAST(dmabuf); --=20 2.52.0