diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2016-09-17 15:54:12 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-09-26 23:06:18 +0530 |
| commit | 86145910697891c6adb8fc11c48d59cf1ec4a842 (patch) | |
| tree | 8d3cb974a698f594de618d6426f1acc8ac910f5b /drivers/dma | |
| parent | 254e1254ff37239f946350fb5e93b8eea069b223 (diff) | |
| download | linux-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.c | 3 |
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) { |