From: Phong Tran <tranmanphong@gmail.com>
To: gregkh@linuxfoundation.org, arve@android.com, riandrews@android.com
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
Phong Tran <tranmanphong@gmail.com>
Subject: [PATCH 2/3] staging: android: ion_test: unregister the misc device
Date: Thu, 2 Apr 2015 00:38:19 +0700 [thread overview]
Message-ID: <1427909900-22650-3-git-send-email-tranmanphong@gmail.com> (raw)
In-Reply-To: <1427909900-22650-1-git-send-email-tranmanphong@gmail.com>
Add the remove() method for deregister from misc device
when it's unloaded.
Signed-off-by: Phong Tran <tranmanphong@gmail.com>
---
drivers/staging/android/ion/ion_test.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/staging/android/ion/ion_test.c b/drivers/staging/android/ion/ion_test.c
index 3bc461c..f36a35e 100644
--- a/drivers/staging/android/ion/ion_test.c
+++ b/drivers/staging/android/ion/ion_test.c
@@ -261,7 +261,25 @@ static int __init ion_test_probe(struct platform_device *pdev)
return 0;
}
+static int ion_test_remove(struct platform_device *pdev)
+{
+ int ret = 0;
+ struct ion_test_device *testdev;
+
+ testdev = platform_get_drvdata(pdev);
+
+ if (!testdev) {
+ pr_err("failed to get pdev data.\n");
+ return -ENODATA;
+ }
+
+ ret = misc_deregister(&testdev->misc);
+
+ return ret;
+}
+
static struct platform_driver ion_test_platform_driver = {
+ .remove = ion_test_remove,
.driver = {
.name = "ion-test",
},
--
2.1.0
next prev parent reply other threads:[~2015-04-01 17:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-01 17:38 [PATCH 0/3] Fix some issues of staging ion test driver Phong Tran
2015-04-01 17:38 ` [PATCH 1/3] staging: android: ion_test: Add the MODULE_LICENSE macro Phong Tran
2015-04-01 17:38 ` Phong Tran [this message]
2015-04-01 22:22 ` [PATCH 2/3] staging: android: ion_test: unregister the misc device Dan Carpenter
2015-04-01 17:38 ` [PATCH 3/3] staging: android: ion_test: unregister the platform device Phong Tran
2015-04-01 22:34 ` Dan Carpenter
2015-04-02 14:36 ` [PATCH V2 0/3] Fix some issues of staging ion test driver Phong Tran
2015-04-02 14:36 ` [PATCH V2 1/3] staging: android: ion_test: Add the MODULE_LICENSE macro Phong Tran
2015-04-02 14:36 ` [PATCH V2 2/3] staging: android: ion_test: unregister the misc device Phong Tran
2015-04-03 13:13 ` Greg KH
2015-04-03 14:07 ` [PATCH V3 0/2] Fix some issues of staging ion test driver Phong Tran
2015-04-03 14:07 ` [PATCH V3 1/2] staging: android: ion_test: unregister the misc device Phong Tran
2015-04-03 14:07 ` [PATCH V3 2/2] staging: android: ion_test: unregister the platform device Phong Tran
2015-04-02 14:36 ` [PATCH V2 3/3] " Phong Tran
2015-04-02 15:22 ` [PATCH V2 0/3] Fix some issues of staging ion test driver Dan Carpenter
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