pci_alloc_consistent calls dma_alloc_coherent directly. In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dma_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx> --- drivers/tty/serial/icom.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c index ad374f7c476d..624f3d541c68 100644 --- a/drivers/tty/serial/icom.c +++ b/drivers/tty/serial/icom.c @@ -207,8 +207,6 @@ static int get_port_memory(struct icom_port *icom_port) return -ENOMEM; } - memset(icom_port->statStg, 0, 4096); - /* FODs: Frame Out Descriptor Queue, this is a FIFO queue that indicates that frames are to be transmitted */ -- 2.11.0