From mboxrd@z Thu Jan 1 00:00:00 1970 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 521E34BC02D; Sat, 28 Feb 2026 17:55:50 +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=1772301350; cv=none; b=gBJgv7FPC40lqArLlRhyThu5YRu7nBnyS4uQOC0DIozGPdZr1C7ZkRMKvsaSkObctsyvxCyzT6K0OETwqY0qmB1KD+5F9TNVk8DUd5WwJ2owPIsQfeikHfuHYxkfnKnKSX+y8klL1k4To8BAITQ1RM9afkWJpqunsw6Dva3BG8w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301350; c=relaxed/simple; bh=c3A55tmRUKNtJtG/xnSgd+ZJdr/KmsWNCeJ7nVrLmXk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nJDQio5cK9A9ssDgFLYSd04zH+kUY8ZPZ77TU6WR3dYVCG4gEqnRV4PHbJh7LRArRpxY5WSDmIYzL03vA2mcwwCw1IspIlWuQoyWS0WjZ3OSmqj9v99mDFmGle7huESmLRJzS98fyGQ1hB+ttzfwAkuiVvJfyWHE1fuh0wThzAo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GVfiiXY9; 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="GVfiiXY9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7EBFAC19424; Sat, 28 Feb 2026 17:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301350; bh=c3A55tmRUKNtJtG/xnSgd+ZJdr/KmsWNCeJ7nVrLmXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GVfiiXY9iYgRjDrQPS46/PbZshU5UnDo9VmKJb5i0/66hO7A0YWtbJWLamaZF3ofN pGvwvZ5b8qiQSNgmbVDd/h3LNO6rBK4GekKaij5Pal8okKmVbrToQxBOQP4Uczo+aT b2x8I1EIwQyXJMXRLVkc7LfYe0HFEMgLsJLdfTGOm2FEa7wN8xDbphDwMn3C6+4j3s +rtdqh41b3nRkWLXFLGlWDCzFN1JmRlhwo6gBEOGW74bkjyD+aZ1Rnxnf8dHvCsj/W h8AZLSvWCK2iRK1CZL5/KPXFwHXwRC4lYbLn7evvJx0dX6VAAoYJdNs4E9nLrXTdih KjUUnuDgEDKkA== From: Sasha Levin To: patches@lists.linux.dev Cc: Bingbu Cao , stable@vger.kernel.org, Sakari Ailus , Hans Verkuil , Sasha Levin Subject: [PATCH 6.18 537/752] media: staging/ipu7: Fix the loop bound in l2 table alloc Date: Sat, 28 Feb 2026 12:44:08 -0500 Message-ID: <20260228174750.1542406-537-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Bingbu Cao [ Upstream commit 98cc19a353abc8b48b7d58fd7a455e09e7c3aba3 ] This patch fixes the incorrect loop bound in alloc_l2_pt(). When initializing L2 page table entries, the loop was incorrectly using ISP_L1PT_PTES instead of ISP_L2PT_PTES though the ISP_L1PT_PTES is equal to ISP_L2PT_PTES. Fixes: 71d81c25683a ("media: staging/ipu7: add IPU7 DMA APIs and MMU mapping") Cc: stable@vger.kernel.org Signed-off-by: Bingbu Cao Signed-off-by: Sakari Ailus Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/staging/media/ipu7/ipu7-mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/ipu7/ipu7-mmu.c b/drivers/staging/media/ipu7/ipu7-mmu.c index ded1986eb8ba3..ea35cce4830ad 100644 --- a/drivers/staging/media/ipu7/ipu7-mmu.c +++ b/drivers/staging/media/ipu7/ipu7-mmu.c @@ -231,7 +231,7 @@ static u32 *alloc_l2_pt(struct ipu7_mmu_info *mmu_info) dev_dbg(mmu_info->dev, "alloc_l2: get_zeroed_page() = %p\n", pt); - for (i = 0; i < ISP_L1PT_PTES; i++) + for (i = 0; i < ISP_L2PT_PTES; i++) pt[i] = mmu_info->dummy_page_pteval; return pt; -- 2.51.0