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 3612F3F5A60; Sat, 28 Feb 2026 17:42:38 +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=1772300558; cv=none; b=u6TO8/iXQieOH6U2ykU9eT/4/zOILOdMItsvFZhi0sT/XHaNGvpyReG6xKDmuOMcEevtk0wdtCvDZbfQoY5AZ263w15btjlIf33KXaCTD/X3Fy3ck6jLlnilSfj7OvtA7nbvCpxEVBKV0lKjHrTzNXjACc0Ol8Hfp3QodLPgtmQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300558; c=relaxed/simple; bh=c3A55tmRUKNtJtG/xnSgd+ZJdr/KmsWNCeJ7nVrLmXk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o4VdygKSFukydq0dyq8cgKrKZAHm+Q7FF6Fr/z8VhvshX1C7UlKOxPK8NMRivgKrD4k6xjJIaDaWnI3J571jbqsM+HZeoO/+IWu1GqXbJlDke0idQ5bXYBG7VM8uhu39laF6TbLYa0gIuFy4nkNLX8qs3kD21acz5HFpFzsEVD8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eVSblbch; 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="eVSblbch" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A8CDC19425; Sat, 28 Feb 2026 17:42:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300558; bh=c3A55tmRUKNtJtG/xnSgd+ZJdr/KmsWNCeJ7nVrLmXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eVSblbchXC2wUkVNn5CXPAxmHwfJb3gYFdTVHviFxG2G5o3LMOdiHOGHOkKA6u1dc FmEL/CVjGvp9OEprLHI6BMoK1Ogq8OKfdfi/5i3U51RiOI8RswXaM+4ew8f4JIXywc lTc6+OQ8ef1O1wgc0jifyRFyHXkmOyT2ggDEFHcR5lESrsZGkTYBU9E3MNVQY2zulz D3a7pgwRVwgN9DdckXS3eobfkgWmY7qKLQeInZ53Rsd63Gi03eQWfj4EFUT5sHwcAJ vkR7Xm0/nkctUFTpn7M/ze6BV77aA79XreB1z374gnfuXZDsDwHeHu3FGuTwrkUcii P2AEnM4cI+v6g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Bingbu Cao , Sakari Ailus , Hans Verkuil , Sasha Levin Subject: [PATCH 6.19 597/844] media: staging/ipu7: Fix the loop bound in l2 table alloc Date: Sat, 28 Feb 2026 12:28:30 -0500 Message-ID: <20260228173244.1509663-598-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-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