Messages in this thread Patch in this message | | | From | Yoshihiro Shimoda <> | Subject | [PATCH] serial: sh-sci: Fix length of scatterlist | Date | Tue, 20 Oct 2015 21:18:22 +0900 |
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This patch fixes an issue that the "length" of scatterlist should be set using sh_dma_length(). Otherwise, a dmaengine driver cannot work correctly if CONFIG_NEED_SG_DMA_LENGTH=y.
Fixes: 7b39d90184 (serial: sh-sci: Fix NULL pointer dereference if HIGHMEM is enabled) Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> --- drivers/tty/serial/sh-sci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 960e50a..284a872 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1437,7 +1437,7 @@ static void sci_request_dma(struct uart_port *port) sg_init_table(sg, 1); s->rx_buf[i] = buf; sg_dma_address(sg) = dma; - sg->length = s->buf_len_rx; + sg_dma_length(sg) = s->buf_len_rx; buf += s->buf_len_rx; dma += s->buf_len_rx; -- 1.9.1
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