On Thu, May 31, 2018 at 09:48:24AM +0100, Biju Das wrote: > From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > > commit d9f5efade2cfd729138a7cafb46d01044da40f5e upstream > > This patch fixes an issue that list_for_each_entry() in > usb_dmac_chan_terminate_all() is possible to cause endless loop because > this will move own desc to the desc_freed. So, this driver should use > list_for_each_entry_safe() instead of list_for_each_entry(). > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx> > [biju: cherry-pick to 4.4] > Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx> > --- > Hello Greg, > > I have observed a CPU lock condition with USB DMAC driver on koelsch platform. > This patch fixes the issue on 4.4 stable. It is reproducible with ethernet(RNDIS/ECM) > gadget configuration. Now applied, thanks. greg k-h
