dma-buf: Add forward declaration of struct seq_file in dma-fence.h

Add forward declaration of struct seq_file before using it in
function prototype.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Link: https://lore.kernel.org/r/aDlu5TGyA1WuMsvw@gondor.apana.org.au

diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 48b5202..c841af2 100644 (file)
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -26,6 +26,7 @@
 struct dma_fence;
 struct dma_fence_ops;
 struct dma_fence_cb;
+struct seq_file;
 
 /**
  * struct dma_fence - software synchronization primitive