usb_free_coherent() is safe with NULL addr and this check is not required. Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx> --- drivers/media/usb/b2c2/flexcop-usb.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index 198ddfb8d..12c0b40be 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -419,10 +419,9 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) usb_free_urb(fc_usb->iso_urb[i]); } - if (fc_usb->iso_buffer != NULL) - usb_free_coherent(fc_usb->udev, - fc_usb->buffer_size, fc_usb->iso_buffer, - fc_usb->dma_addr); + usb_free_coherent(fc_usb->udev, fc_usb->buffer_size, + fc_usb->iso_buffer, fc_usb->dma_addr); + } static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) -- 2.25.1