From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: huhai <huhai@kylinos.cn>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Sasha Levin <sashal@kernel.org>,
rafael@kernel.org, linux-acpi@vger.kernel.org
Subject: [PATCH AUTOSEL 4.9 5/8] ACPI: LPSS: Fix missing check in register_device_clock()
Date: Sun, 7 Aug 2022 21:40:00 -0400 [thread overview]
Message-ID: <20220808014005.317064-5-sashal@kernel.org> (raw)
In-Reply-To: <20220808014005.317064-1-sashal@kernel.org>
From: huhai <huhai@kylinos.cn>
[ Upstream commit b4f1f61ed5928b1128e60e38d0dffa16966f06dc ]
register_device_clock() misses a check for platform_device_register_simple().
Add a check to fix it.
Signed-off-by: huhai <huhai@kylinos.cn>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/acpi/acpi_lpss.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index a9158858f54c..6ca4b3dc11ca 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -330,6 +330,9 @@ static int register_device_clock(struct acpi_device *adev,
if (!lpss_clk_dev)
lpt_register_clock_device();
+ if (IS_ERR(lpss_clk_dev))
+ return PTR_ERR(lpss_clk_dev);
+
clk_data = platform_get_drvdata(lpss_clk_dev);
if (!clk_data)
return -ENODEV;
--
2.35.1
next prev parent reply other threads:[~2022-08-08 2:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-08 1:39 [PATCH AUTOSEL 4.9 1/8] arm64: fix oops in concurrently setting insn_emulation sysctls Sasha Levin
2022-08-08 1:39 ` [PATCH AUTOSEL 4.9 2/8] ext2: Add more validity checks for inode counts Sasha Levin
2022-08-08 1:39 ` [PATCH AUTOSEL 4.9 3/8] ARM: dts: imx6ul: add missing properties for sram Sasha Levin
2022-08-08 1:39 ` [PATCH AUTOSEL 4.9 4/8] ARM: dts: imx6ul: fix qspi node compatible Sasha Levin
2022-08-08 1:40 ` Sasha Levin [this message]
2022-08-08 1:40 ` [PATCH AUTOSEL 4.9 6/8] hwmon: (sht15) Fix wrong assumptions in device remove callback Sasha Levin
2022-08-08 1:40 ` [PATCH AUTOSEL 4.9 7/8] PM: hibernate: defer device probing when resuming from hibernation Sasha Levin
2022-08-08 1:40 ` [PATCH AUTOSEL 4.9 8/8] selinux: Add boundary check in put_entry() Sasha Levin
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