dma/shdma: move dereference below the NULL check
"param" can be NULL here, so only dereference it after the check.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index fb64cf3..eb6b54d 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -580,7 +580,6 @@
sh_chan = to_sh_chan(chan);
param = chan->private;
- slave_addr = param->config->addr;
/* Someone calling slave DMA on a public channel? */
if (!param || !sg_len) {
@@ -589,6 +588,8 @@
return NULL;
}
+ slave_addr = param->config->addr;
+
/*
* if (param != NULL), this is a successfully requested slave channel,
* therefore param->config != NULL too.