From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Daniel Scally <djrscally@gmail.com>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-acpi@vger.kernel.org
Cc: Yong Zhi <yong.zhi@intel.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Bingbu Cao <bingbu.cao@intel.com>,
Tianshu Qiu <tian.shu.qiu@intel.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Jens Axboe <axboe@kernel.dk>
Subject: [PATCH v2 1/1] media: ipu3-cio2: Drop reference on error path in cio2_bridge_connect_sensor()
Date: Thu, 26 Aug 2021 13:53:24 +0300 [thread overview]
Message-ID: <20210826105324.36853-1-andriy.shevchenko@linux.intel.com> (raw)
The commit 71f642833284 ("ACPI: utils: Fix reference counting in
for_each_acpi_dev_match()") moved adev assignment outside of error
path and hence made acpi_dev_put(sensor->adev) a no-op. We still
need to drop reference count on error path, and to achieve that,
replace sensor->adev by locally assigned adev.
Fixes: 71f642833284 ("ACPI: utils: Fix reference counting in for_each_acpi_dev_match()")
Depends-on: fc68f42aa737 ("ACPI: fix NULL pointer dereference")
Reported-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
v2: added tag (Sakari), Cc'ed to Rafael to pick up (would be nice to push it to v5.14)
drivers/media/pci/intel/ipu3/cio2-bridge.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/pci/intel/ipu3/cio2-bridge.c b/drivers/media/pci/intel/ipu3/cio2-bridge.c
index 59a36f922675..30d29b96a339 100644
--- a/drivers/media/pci/intel/ipu3/cio2-bridge.c
+++ b/drivers/media/pci/intel/ipu3/cio2-bridge.c
@@ -226,7 +226,7 @@ static int cio2_bridge_connect_sensor(const struct cio2_sensor_config *cfg,
err_free_swnodes:
software_node_unregister_nodes(sensor->swnodes);
err_put_adev:
- acpi_dev_put(sensor->adev);
+ acpi_dev_put(adev);
return ret;
}
--
2.32.0
next reply other threads:[~2021-08-26 10:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-26 10:53 Andy Shevchenko [this message]
2021-08-26 16:56 ` [PATCH v2 1/1] media: ipu3-cio2: Drop reference on error path in cio2_bridge_connect_sensor() Rafael J. Wysocki
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