drivers, pch_dma: Fix uninitialized var before use

In the function pdc_desc_get(), var 'i' is not
initialized before use. This patch fixes it.

Signed-off-by: Liu Yuan <tailai.ly@taobao.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 8d8fef1480a9..6eebc6205c65 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -403,7 +403,7 @@ static struct pch_dma_desc *pdc_desc_get(struct pch_dma_chan *pd_chan)
 {
         struct pch_dma_desc *desc, *_d;
         struct pch_dma_desc *ret = NULL;
-        int i;
+        int i = 0;
 
         spin_lock(&pd_chan->lock);
         list_for_each_entry_safe(desc, _d, &pd_chan->free_list, desc_node) {