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authorMarkus Elfring <elfring@users.sourceforge.net>2016-09-17 15:54:12 +0200
committerVinod Koul <vinod.koul@intel.com>2016-09-26 23:06:18 +0530
commit86145910697891c6adb8fc11c48d59cf1ec4a842 (patch)
tree8d3cb974a698f594de618d6426f1acc8ac910f5b /drivers/dma
parent254e1254ff37239f946350fb5e93b8eea069b223 (diff)
downloadlinux-86145910697891c6adb8fc11c48d59cf1ec4a842.tar.bz2
ste_dma40: Move an assignment in d40_prep_desc()
Move one assignment for the local variable "cfg" so that its setting will only be performed after a call of the function "d40_desc_get" succeeded by this function. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ste_dma40.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index 087861af983e..07e7eb39eda1 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2198,7 +2198,7 @@ static struct d40_desc *
d40_prep_desc(struct d40_chan *chan, struct scatterlist *sg,
unsigned int sg_len, unsigned long dma_flags)
{
- struct stedma40_chan_cfg *cfg = &chan->dma_cfg;
+ struct stedma40_chan_cfg *cfg;
struct d40_desc *desc;
int ret;
@@ -2206,6 +2206,7 @@ d40_prep_desc(struct d40_chan *chan, struct scatterlist *sg,
if (!desc)
return NULL;
+ cfg = &chan->dma_cfg;
desc->lli_len = d40_sg_2_dmalen(sg, sg_len, cfg->src_info.data_width,
cfg->dst_info.data_width);
if (desc->lli_len < 0) {