Re: [PATCH] request_firmware(): fixes and polishing.

From: Manuel Estrada Sainz
Date: Tue Feb 24 2004 - 20:54:10 EST


Based on patch and suggestions from Dmitry Torokhov

Changelog:
- release 'struct firmware_priv' from class_dev->release.

Index: linux-2.5/drivers/base/firmware_class.c
===================================================================
--- linux-2.5.orig/drivers/base/firmware_class.c 2004-01-06 13:30:48.000000000 +0100
+++ linux-2.5/drivers/base/firmware_class.c 2004-01-06 13:31:38.000000000 +0100
@@ -232,6 +232,9 @@
static void
fw_class_dev_release(struct class_device *class_dev)
{
+ struct firmware_priv *fw_priv = class_get_devdata(class_dev);
+
+ kfree(fw_priv);
kfree(class_dev);
}

@@ -258,6 +261,8 @@
struct class_device *class_dev = kmalloc(sizeof (struct class_device),
GFP_KERNEL);

+ *class_dev_p = NULL;
+
if (!fw_priv || !class_dev) {
printk(KERN_ERR "%s: kmalloc failed\n", __FUNCTION__);
retval = -ENOMEM;
@@ -318,10 +323,11 @@
sysfs_remove_bin_file(&class_dev->kobj, &fw_priv->attr_data);
error_unreg_class_dev:
class_device_unregister(class_dev);
+ goto out;
+
error_kfree:
kfree(fw_priv);
kfree(class_dev);
- *class_dev_p = NULL;
out:
return retval;
}
@@ -374,7 +380,6 @@
wait_for_completion(&fw_priv->completion);

del_timer_sync(&fw_priv->timeout);
- fw_remove_class_device(class_dev);

if (fw_priv->fw->size && !test_bit(FW_STATUS_ABORT, &fw_priv->status)) {
*firmware = fw_priv->fw;
@@ -383,7 +388,7 @@
vfree(fw_priv->fw->data);
kfree(fw_priv->fw);
}
- kfree(fw_priv);
+ fw_remove_class_device(class_dev);
out:
return retval;
}

-
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