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From: Jiale Yao <yaojiale02@163.com>
To: platform-driver-x86@vger.kernel.org
Cc: "Jiale Yao" <yaojiale02@163.com>,
	"Herton Ronaldo Krzesinski" <herton@canonical.com>,
	"Hans de Goede" <hansg@kernel.org>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH v3 2/3] platform/x86: topstar-laptop: Check ACPI_COMPANION() against NULL
Date: Mon, 13 Jul 2026 23:14:20 +0800	[thread overview]
Message-ID: <20260713151422.82947-2-yaojiale02@163.com> (raw)
In-Reply-To: <20260713151422.82947-1-yaojiale02@163.com>

Add a requisite ACPI_COMPANION() check against NULL to the
topstar-laptop driver, aligning with the fix applied to
asus-wireless driver.

Assisted-by: claude:deepseek-v4-pro
Signed-off-by: Jiale Yao <yaojiale02@163.com>
---
 drivers/platform/x86/topstar-laptop.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
index e09d7f8ce45f..f6fafa345f93 100644
--- a/drivers/platform/x86/topstar-laptop.c
+++ b/drivers/platform/x86/topstar-laptop.c
@@ -291,6 +291,9 @@ static int topstar_acpi_probe(struct platform_device *pdev)
 	struct topstar_laptop *topstar;
 	int err;
 
+	if (!device)
+		return -ENODEV;
+
 	dmi_check_system(topstar_dmi_ids);
 
 	topstar = kzalloc_obj(struct topstar_laptop);
-- 
2.34.1


  reply	other threads:[~2026-07-13 15:14 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-13 15:14 [PATCH v3 1/3] platform/x86: asus-wireless: " Jiale Yao
2026-07-13 15:14 ` Jiale Yao [this message]
2026-07-13 15:14 ` [PATCH v3 3/3] platform/x86: hsmp: " Jiale Yao
2026-07-18  3:14   ` Carlos Bilbao
2026-10-17  6:43 [PATCH v3 2/3] platform/x86: topstar-laptop: " Jiale Yao
2026-10-19  6:09 ` Ilpo Järvinen

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