thunderbolt: Use NULL instead of 0 in nhi.c

'descriptors' is a pointer. Use NULL isntead of 0.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 346b41e..0fc137a 100644 (file)
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -416,7 +416,7 @@ void ring_free(struct tb_ring *ring)
                          ring->size * sizeof(*ring->descriptors),
                          ring->descriptors, ring->descriptors_dma);
 
-       ring->descriptors = 0;
+       ring->descriptors = NULL;
        ring->descriptors_dma = 0;