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usb: renesas_usbhs: gadget: Fix NULL pointer dereference in usbhsg_ep_dequeue()
authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Wed, 18 Nov 2015 05:33:35 +0000 (14:33 +0900)
committerFelipe Balbi <balbi@ti.com>
Thu, 19 Nov 2015 20:48:48 +0000 (14:48 -0600)
commitc9eb29503e9655e70448bbbf3697d08a56d24854
tree4f71dac568833c1992a68c84e68873b8c68792f8tree | snapshot
parentac722e302cc057a65cb1d975f8b17e8e11144946commit | diff
usb: renesas_usbhs: gadget: Fix NULL pointer dereference in usbhsg_ep_dequeue()

This patch fixes an issue that NULL pointer dereference happens when
a gadget driver calls usb_ep_dequeue() for ep0 after disconnected
a usb cable. This is because that usbhsg_try_stop() will call
usbhsg_ep_disable(&dcp->ep) when a usb cable is disconnected and
the pipe of dcp (ep0) is set to NULL.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/renesas_usbhs/mod_gadget.c diff | blob | history
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