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GET /api/patches/2228703/?format=api
{ "id": 2228703, "url": "http://patchwork.ozlabs.org/api/patches/2228703/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260427081713.3401874-3-hossu.alexandru@gmail.com/", "project": { "id": 21, "url": "http://patchwork.ozlabs.org/api/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": "<20260427081713.3401874-3-hossu.alexandru@gmail.com>", "list_archive_url": null, "date": "2026-04-27T08:17:13", "name": "[v4,2/2] staging: nvec: fix unconditional pm_power_off teardown", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6b43a8fd547ecf5a913384e2b749a3aadd59a46d", "submitter": { "id": 92777, "url": "http://patchwork.ozlabs.org/api/people/92777/?format=api", "name": "Alexandru Hossu", "email": "hossu.alexandru@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-tegra/patch/20260427081713.3401874-3-hossu.alexandru@gmail.com/mbox/", "series": [ { "id": 501604, "url": "http://patchwork.ozlabs.org/api/series/501604/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-tegra/list/?series=501604", "date": "2026-04-27T08:17:11", "name": "staging: nvec: fix use-after-free and pm_power_off teardown", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/501604/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228703/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228703/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-tegra+bounces-13999-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=BOUhTCno;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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This breaks any other driver\nthat may have set pm_power_off to its own handler.\n\nReplace the unconditional assignment with a guarded check so that\npm_power_off is only cleared if nvec was the one that set it.\n\nAlso remove the stale FIXME comment, as the guard addresses exactly\nwhat it was asking for.\n\nReviewed-by: Dan Carpenter <error27@gmail.com>\nSigned-off-by: Alexandru Hossu <hossu.alexandru@gmail.com>\n---\n drivers/staging/nvec/nvec.c | 4 ++--\n 1 file changed, 2 insertions(+), 2 deletions(-)", "diff": "diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c\nindex 2a3499dd4d63..88c416ee0381 100644\n--- a/drivers/staging/nvec/nvec.c\n+++ b/drivers/staging/nvec/nvec.c\n@@ -906,8 +906,8 @@ static void tegra_nvec_remove(struct platform_device *pdev)\n \tnvec_unregister_notifier(nvec, &nvec->nvec_status_notifier);\n \tcancel_work_sync(&nvec->rx_work);\n \tcancel_work_sync(&nvec->tx_work);\n-\t/* FIXME: needs check whether nvec is responsible for power off */\n-\tpm_power_off = NULL;\n+\tif (pm_power_off == nvec_power_off)\n+\t\tpm_power_off = NULL;\n }\n \n #ifdef CONFIG_PM_SLEEP\n", "prefixes": [ "v4", "2/2" ] }