From: Troy Kisky <[email protected]> Date: Fri, 27 May 2016 13:30:40 -0700
> If dirty_tx isn't updated, then dma_unmap_single > can be called twice. > > This fixes a > [ 58.420980] ------------[ cut here ]------------ > [ 58.425667] WARNING: CPU: 0 PID: 377 at > /home/schurig/d/mkarm/linux-4.5/lib/dma-debug.c:1096 check_unmap+0x9d0/0xab8() > [ 58.436405] fec 2188000.ethernet: DMA-API: device driver tries to free DMA > memory it has not allocated [device address=0x0000000000000000] [size=66 > bytes] > > encountered by Holger > > Signed-off-by: Troy Kisky <[email protected]> > Tested-by: <[email protected]> > Acked-by: Fugang Duan <[email protected]> Applied.
