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authorGeert Uytterhoeven <geert+renesas@glider.be>2014-08-07 14:07:42 +0200
committerMark Brown <broonie@linaro.org>2014-08-16 17:14:30 -0500
commita5e7c719fe257214aeda3dadb502a4cf58209a61 (patch)
treed057d3f23c235bab199b4ec9010d79faf6336403 /drivers/spi
parenta6be4de6a24cbef6209e3a0fcddaee9e312a1f63 (diff)
downloadop-kernel-dev-a5e7c719fe257214aeda3dadb502a4cf58209a61.zip
op-kernel-dev-a5e7c719fe257214aeda3dadb502a4cf58209a61.tar.gz
spi: sh-msiof: Return early in sh_msiof_dma_once() where possible
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-sh-msiof.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 811a42d..daaa868 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -642,18 +642,14 @@ static int sh_msiof_dma_once(struct sh_msiof_spi_priv *p, const void *tx,
desc_rx = dmaengine_prep_slave_single(p->master->dma_rx,
p->rx_dma_addr, len, DMA_FROM_DEVICE,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
- if (!desc_rx) {
- ret = -EAGAIN;
- goto no_dma_rx;
- }
+ if (!desc_rx)
+ return -EAGAIN;
desc_rx->callback = sh_msiof_dma_complete;
desc_rx->callback_param = p;
cookie = dmaengine_submit(desc_rx);
- if (dma_submit_error(cookie)) {
- ret = cookie;
- goto no_dma_rx;
- }
+ if (dma_submit_error(cookie))
+ return cookie;
}
if (tx) {
@@ -738,7 +734,6 @@ no_dma_tx:
if (rx)
dmaengine_terminate_all(p->master->dma_rx);
sh_msiof_write(p, IER, 0);
-no_dma_rx:
return ret;
}
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