swiotlb: remove a useless return in swiotlb_init

Both swiotlb_init_remap() and swiotlb_init() have return type void.

Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index cb50f8d383606be7b12bf6b9f6c5c6799f3fb1a5..fd21f4162f4b315c5c0b08b18fd4b6021b4a6086 100644 (file)
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -282,7 +282,7 @@ retry:
 
 void __init swiotlb_init(bool addressing_limit, unsigned int flags)
 {
-       return swiotlb_init_remap(addressing_limit, flags, NULL);
+       swiotlb_init_remap(addressing_limit, flags, NULL);
 }
 
 /*