diff options
| author | Rupesh Gujare <rgujare@ozmodevices.com> | 2012-06-26 13:03:39 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-26 15:07:56 -0700 |
| commit | ba0a7ae713c89c7be204646d9a34c7f612743f51 (patch) | |
| tree | 89d5412e6003a00c3ffbd1b519c0b9df76cf5000 /drivers/staging/ozwpan | |
| parent | f204739736fecee77280c7743b5409dd158a49a6 (diff) | |
staging: ozwpan: Unregister with sysfs while unloading.
Destroy device node & unregister device class from sysfs while unloading
driver
Signed-off-by: Rupesh Gujare <rgujare@ozmodevices.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ozwpan')
| -rw-r--r-- | drivers/staging/ozwpan/ozcdev.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index 929756abf02c..d98321945802 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -42,6 +42,7 @@ struct oz_serial_ctx { /*------------------------------------------------------------------------------ */ static struct oz_cdev g_cdev; +struct class *g_oz_class; /*------------------------------------------------------------------------------ * Context: process and softirq */ @@ -330,7 +331,6 @@ const struct file_operations oz_fops = { int oz_cdev_register(void) { int err; - struct class *cl; struct device *dev; memset(&g_cdev, 0, sizeof(g_cdev)); err = alloc_chrdev_region(&g_cdev.devnum, 0, 1, "ozwpan"); @@ -348,12 +348,12 @@ int oz_cdev_register(void) oz_trace("Failed to add cdev\n"); goto out2; } - cl = class_create(THIS_MODULE, "ozmo_wpan"); - if (IS_ERR(cl)) { + g_oz_class = class_create(THIS_MODULE, "ozmo_wpan"); + if (IS_ERR(g_oz_class)) { oz_trace("Failed to register ozmo_wpan class\n"); goto out1; } - dev = device_create(cl, NULL, g_cdev.devnum, NULL, "ozwpan"); + dev = device_create(g_oz_class, NULL, g_cdev.devnum, NULL, "ozwpan"); if (IS_ERR(dev)) { oz_trace("Failed to create sysfs entry for cdev\n"); goto out1; @@ -373,6 +373,10 @@ int oz_cdev_deregister(void) { cdev_del(&g_cdev.cdev); unregister_chrdev_region(g_cdev.devnum, 1); + if (g_oz_class) { + device_destroy(g_oz_class, g_cdev.devnum); + class_destroy(g_oz_class); + } return 0; } /*------------------------------------------------------------------------------ |