dma-mapping: remove a trailing space

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c
index 5b5b6c7ec7f28e1f1a4b27f4eb25c1322230c458..794e76b03b3451cbd6efb2d1eef1855bb6ff2ea9 100644 (file)
--- a/kernel/dma/coherent.c
+++ b/kernel/dma/coherent.c
@@ -111,7 +111,7 @@ static int dma_assign_coherent_memory(struct device *dev,
  * Declare a region of memory to be handed out by dma_alloc_coherent() when it
  * is asked for coherent memory for this device.  This shall only be used
  * from platform code, usually based on the device tree description.
- * 
+ *
  * phys_addr is the CPU physical address to which the memory is currently
  * assigned (this will be ioremapped so the CPU can access the region).
  *