Commit 709d27c0 authored by Mariusz Kozlowski's avatar Mariusz Kozlowski Committed by Jiri Kosina
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HID: hidraw_connect() memleak fix



It looks like hidraw_connect() is leaking memory in case of failure.
Also it should return -ENOMEM when kzalloc fails.

Signed-off-by: default avatarMariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 86166b7b
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+10 −4
Original line number Diff line number Diff line
@@ -282,7 +282,7 @@ EXPORT_SYMBOL_GPL(hidraw_report_event);

int hidraw_connect(struct hid_device *hid)
{
	int minor, result = -EINVAL;
	int minor, result;
	struct hidraw *dev;

	/* TODO currently we accept any HID device. This should later
@@ -290,8 +290,11 @@ int hidraw_connect(struct hid_device *hid)
	 * non-input applications
	 */

	if (!(dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL)))
		return -1;
	dev = kzalloc(sizeof(struct hidraw), GFP_KERNEL);
	if (!dev)
		return -ENOMEM;

	result = -EINVAL;

	spin_lock(&minors_lock);

@@ -305,8 +308,10 @@ int hidraw_connect(struct hid_device *hid)

	spin_unlock(&minors_lock);

	if (result)
	if (result) {
		kfree(dev);
		goto out;
	}

	dev->dev = device_create(hidraw_class, NULL, MKDEV(hidraw_major, minor),
				"%s%d", "hidraw", minor);
@@ -316,6 +321,7 @@ int hidraw_connect(struct hid_device *hid)
		hidraw_table[minor] = NULL;
		spin_unlock(&minors_lock);
		result = PTR_ERR(dev->dev);
		kfree(dev);
		goto out;
	}