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Groups > linux.kernel > #1251621
| From | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] serial: sh-sci: Fix length of scatterlist |
| Date | 2015-10-20 14:20 +0200 |
| Message-ID | <qlE3v-3rm-3@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] serial: sh-sci: Fix length of scatterlist Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - 2015-10-20 14:20 +0200
Re: [PATCH] serial: sh-sci: Fix length of scatterlist Geert Uytterhoeven <geert@linux-m68k.org> - 2015-10-20 14:30 +0200
RE: [PATCH] serial: sh-sci: Fix length of scatterlist Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> - 2015-10-22 08:40 +0200
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