Re: DMA-API backtrace from rtsx_usb_ms driver

2015-02-25 Thread Roger Tseng
On Thu, 2015-02-19 at 11:58 -0500, Josh Boyer wrote: > Hi All, > > We've had a few bug reports with the stack trace below. It looks like > the ms_read_bytes and ms_write_bytes functions in > drivers/memstick/host/rtsx_usb_mc.c are using a stack variable when > calling rtsx_usb_ep0_read_register.

DMA-API backtrace from rtsx_usb_ms driver

2015-02-19 Thread Josh Boyer
Hi All, We've had a few bug reports with the stack trace below. It looks like the ms_read_bytes and ms_write_bytes functions in drivers/memstick/host/rtsx_usb_mc.c are using a stack variable when calling rtsx_usb_ep0_read_register. That eventually gets to the DMA-API debugging checks, which thro