Commit 2daa4872 authored by Eric Sesterhenn's avatar Eric Sesterhenn Committed by Greg Kroah-Hartman

USB: fix use after free in wacom_sys.c

the following commit added a use after free
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3D3bea733ab21247290bd552dd6a2cd3049af9adef
Found by coverity (cid #1441)
Signed-off-by: default avatarEric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: default avatar"Ping Cheng" <pingc@wacom.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 2920349d
...@@ -282,8 +282,8 @@ static void wacom_disconnect(struct usb_interface *intf) ...@@ -282,8 +282,8 @@ static void wacom_disconnect(struct usb_interface *intf)
input_unregister_device(wacom->dev); input_unregister_device(wacom->dev);
usb_free_urb(wacom->irq); usb_free_urb(wacom->irq);
usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma); usb_buffer_free(interface_to_usbdev(intf), 10, wacom->wacom_wac->data, wacom->data_dma);
kfree(wacom);
kfree(wacom->wacom_wac); kfree(wacom->wacom_wac);
kfree(wacom);
} }
} }
......
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