1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index c18aebf7d5aa..d028f36ae655 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -620,12 +620,15 @@ static int cppi41_stop_chan(struct dma_chan *chan)
         u32 desc_phys;
         int ret;
 
+        desc_phys = lower_32_bits(c->desc_phys);
+        desc_num = (desc_phys - cdd->descs_phys) / sizeof(struct cppi41_desc);
+        if (!cdd->chan_busy[desc_num])
+                return 0;
+
         ret = cppi41_tear_down_chan(c);
         if (ret)
                 return ret;
 
-        desc_phys = lower_32_bits(c->desc_phys);
-        desc_num = (desc_phys - cdd->descs_phys) / sizeof(struct cppi41_desc);
         WARN_ON(!cdd->chan_busy[desc_num]);
         cdd->chan_busy[desc_num] = NULL;