On Thu, May 27, 2021 at 11:49:01AM +0200, Greg Kroah-Hartman wrote: > On Thu, May 27, 2021 at 11:15:36AM +0200, Erwan Le Ray wrote: > > Reset Rx and Tx dma buffers during probe to avoid freeing > > invalid buffer in no dma mode. > > > > Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxxxxxxx> > > > > diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c > > index c2ae7b392b86..2ac3b30477a7 100644 > > --- a/drivers/tty/serial/stm32-usart.c > > +++ b/drivers/tty/serial/stm32-usart.c > > @@ -1168,6 +1168,8 @@ static struct stm32_port *stm32_usart_of_get_port(struct platform_device *pdev) > > stm32_ports[id].cr1_irq = USART_CR1_RXNEIE; > > stm32_ports[id].cr3_irq = 0; > > stm32_ports[id].last_res = RX_BUF_L; > > + stm32_ports[id].rx_dma_buf = 0; > > + stm32_ports[id].tx_dma_buf = 0; > > return &stm32_ports[id]; > > } > > > > -- > > 2.17.1 > > > > Is this a bugfix? if so, what commit does this fix and does it need to > be backported anywhere? Due to lack of a response, I've dropped this from my queue. Please add the needed information to the patch when you get the chance to resend this. thanks, greg k-h
