Re: [PATCH] usb: musb: host: Fix NULL pointer dereference in SMP environment

2016-02-23 Thread Felipe Balbi
Hi, Liu Xiang writes: > In multi-core SoC, if enable USB endpoint/transmit urb/disable > USB endpoint repeatedly,it can cause a NULL pointer dereference bug: > > Unable to handle kernel NULL pointer dereference at virtual address 0010 > pgd = d3eb4000 > [0010]

[PATCH] usb: musb: host: Fix NULL pointer dereference in SMP environment

2016-02-19 Thread Liu Xiang
In multi-core SoC, if enable USB endpoint/transmit urb/disable USB endpoint repeatedly,it can cause a NULL pointer dereference bug: Unable to handle kernel NULL pointer dereference at virtual address 0010 pgd = d3eb4000 [0010] *pgd= Internal error: Oops: 5 [#1] PREEMPT SMP Pid: