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HID: intel-ish-hid: use put_device() instead of kfree()

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[ Upstream commit a4eb490a41a0da3b1275fc7427084cf9ae2c3c1c ]

Never directly free @dev after calling device_register(), even
if it returned an error. Always use put_device() to give up the
reference initialized.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arvind Yadav 2018-03-30 16:56:10 +05:30 committed by Greg Kroah-Hartman
parent d803d94a3f
commit 11ac08bd73
1 changed files with 1 additions and 1 deletions
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2
drivers/hid/intel-ish-hid/ishtp/bus.c
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@ -418,7 +418,7 @@ static struct ishtp_cl_device *ishtp_bus_add_device(struct ishtp_device *dev,
list_del(&device->device_link);
spin_unlock_irqrestore(&dev->device_list_lock, flags);
dev_err(dev->devc, "Failed to register ISHTP client device\n");
kfree(device);
put_device(&device->dev);
return NULL;
}