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author | Jens Axboe <jaxboe@fusionio.com> | 2010-06-01 12:42:12 +0200 |
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committer | Jens Axboe <jaxboe@fusionio.com> | 2010-06-01 12:42:12 +0200 |
commit | b4ca761577535b2b4d153689ee97342797dfff05 (patch) | |
tree | 29054d55508f1faa22ec32acf7c245751af03348 /drivers/serial/sh-sci.c | |
parent | 28f4197e5d4707311febeec8a0eb97cb5fd93c97 (diff) | |
parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
download | op-kernel-dev-b4ca761577535b2b4d153689ee97342797dfff05.zip op-kernel-dev-b4ca761577535b2b4d153689ee97342797dfff05.tar.gz |
Merge branch 'master' into for-linus
Conflicts:
fs/pipe.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/serial/sh-sci.c')
-rw-r--r-- | drivers/serial/sh-sci.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 4f73fb7..5f90fcd 100644 --- a/drivers/serial/sh-sci.c +++ b/drivers/serial/sh-sci.c @@ -1004,8 +1004,9 @@ static void sci_rx_dma_release(struct sci_port *s, bool enable_pio) s->chan_rx = NULL; s->cookie_rx[0] = s->cookie_rx[1] = -EINVAL; dma_release_channel(chan); - dma_free_coherent(port->dev, s->buf_len_rx * 2, - sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0])); + if (sg_dma_address(&s->sg_rx[0])) + dma_free_coherent(port->dev, s->buf_len_rx * 2, + sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0])); if (enable_pio) sci_start_rx(port); } |