On 04-10-20, 16:03, Paul Cercueil wrote: > The jz4780_dma_tx_status() function would check if a channel's cookie > state was set to 'completed', and if not, it would enter the critical > section. However, in that time frame, the jz4780_dma_chan_irq() function > was able to set the cookie to 'completed', and clear the jzchan->vchan > pointer, which was deferenced in the critical section of the first > function. > > Fix this race by checking the channel's cookie state after entering the > critical function and not before.
Applied, thanks -- ~Vinod
