From: Martin Roth <martin.r...@motorolasolutions.com> Date: Sun, 24 Jan 2016 00:56:19 +0200
> This is an additional patch to the one already submitted recently. > The previous patch was not complete, and the FCC port lock-up scenario > has been reproduced in lab. > I had an opportunity to check the current patch in lab and the FCC > port lock no longer freezes, while the previous patch still locks-up the > FCC port. > The current patch fixes a pointer arithmetic bug (second bug in the same > line), which leads FCC port lock-up during underrun/collision handling. > Within the tx_startup() function in mac-fcc.c, the address of last BD is > not calculated correctly. As a result of wrong calculation of the last BD > address, the next transmitted BD may be set to an area out of the transmit > BD ring. This actually causes to port lock-up and it is not recoverable. > > Signed-off-by: Martin Roth <martin.r...@motorolasolutions.com> Applied, thank you.
