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GET /api/1.2/patches/2222567/?format=api
{ "id": 2222567, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2222567/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260412205057.386856-1-hossu.alexandru@gmail.com/", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/1.2/projects/21/?format=api", "name": "Linux Tegra Development", "link_name": "linux-tegra", "list_id": "linux-tegra.vger.kernel.org", "list_email": "linux-tegra@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260412205057.386856-1-hossu.alexandru@gmail.com>", "list_archive_url": null, "date": "2026-04-12T20:50:57", "name": "[1/5] staging: media: tegra-video: add NULL checks for of_device_get_match_data()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1f276d1b7a212fe7e5ef0d5f2d99ac3ce1faf842", "submitter": { "id": 92777, "url": "http://patchwork.ozlabs.org/api/1.2/people/92777/?format=api", "name": "Alexandru Hossu", "email": "hossu.alexandru@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260412205057.386856-1-hossu.alexandru@gmail.com/mbox/", "series": [ { "id": 499631, "url": "http://patchwork.ozlabs.org/api/1.2/series/499631/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=499631", "date": "2026-04-12T20:51:16", "name": "[1/5] staging: media: tegra-video: add NULL checks for of_device_get_match_data()", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499631/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222567/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222567/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-tegra+bounces-13721-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-tegra@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=k41bjSfo;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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In tegra_vi_probe(), it is dereferenced\nlater via vi->soc->ops. In tegra_vip_probe(), vip->soc is stored and then\ndereferenced at runtime via vip->soc->ops->vip_start_streaming(). A NULL\nreturn would cause a kernel NULL pointer dereference in each case.\n\nAdd a NULL check returning -ENODEV in all three probe functions, consistent\nwith the defensive pattern already used in similar staging drivers such as\ndrivers/staging/media/sunxi/cedrus/cedrus_hw.c.\n\nSigned-off-by: Alexandru Hossu <hossu.alexandru@gmail.com>\n---\n drivers/staging/media/tegra-video/csi.c | 2 ++\n drivers/staging/media/tegra-video/vi.c | 2 ++\n drivers/staging/media/tegra-video/vip.c | 2 ++\n 3 files changed, 6 insertions(+)", "diff": "diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c\nindex 7842104ca933..33369a8c803a 100644\n--- a/drivers/staging/media/tegra-video/csi.c\n+++ b/drivers/staging/media/tegra-video/csi.c\n@@ -781,6 +781,8 @@ static int tegra_csi_probe(struct platform_device *pdev)\n \t\treturn PTR_ERR(csi->iomem);\n \n \tcsi->soc = of_device_get_match_data(&pdev->dev);\n+\tif (!csi->soc)\n+\t\treturn -ENODEV;\n \n \tcsi->clks = devm_kcalloc(&pdev->dev, csi->soc->num_clks,\n \t\t\t\t sizeof(*csi->clks), GFP_KERNEL);\ndiff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c\nindex d1d934e361f7..f3b749f059f8 100644\n--- a/drivers/staging/media/tegra-video/vi.c\n+++ b/drivers/staging/media/tegra-video/vi.c\n@@ -1907,6 +1907,8 @@ static int tegra_vi_probe(struct platform_device *pdev)\n \t\treturn PTR_ERR(vi->iomem);\n \n \tvi->soc = of_device_get_match_data(&pdev->dev);\n+\tif (!vi->soc)\n+\t\treturn -ENODEV;\n \n \tvi->clk = devm_clk_get(&pdev->dev, NULL);\n \tif (IS_ERR(vi->clk)) {\ndiff --git a/drivers/staging/media/tegra-video/vip.c b/drivers/staging/media/tegra-video/vip.c\nindex 80cd3b113125..148c68ceb605 100644\n--- a/drivers/staging/media/tegra-video/vip.c\n+++ b/drivers/staging/media/tegra-video/vip.c\n@@ -236,6 +236,8 @@ static int tegra_vip_probe(struct platform_device *pdev)\n \t\treturn -ENOMEM;\n \n \tvip->soc = of_device_get_match_data(&pdev->dev);\n+\tif (!vip->soc)\n+\t\treturn -ENODEV;\n \n \tvip->dev = &pdev->dev;\n \tplatform_set_drvdata(pdev, vip);\n", "prefixes": [ "1/5" ] }