Merge tag 'v4.10-rc1' into asoc-intel

Linux 4.10-rc1

1 files changed, 4 insertions, 1 deletions

diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index 6f47562d477b..de87ceac110e 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -896,7 +896,7 @@ static inline int ntb_spad_is_unsafe(struct ntb_dev *ntb)
 }
 
 /**
- * ntb_mw_count() - get the number of scratchpads
+ * ntb_spad_count() - get the number of scratchpads
  * @ntb:	NTB device context.
  *
  * Hardware and topology may support a different number of scratchpads.
@@ -968,6 +968,9 @@ static inline int ntb_peer_spad_addr(struct ntb_dev *ntb, int idx,
  */
 static inline u32 ntb_peer_spad_read(struct ntb_dev *ntb, int idx)
 {
+	if (!ntb->ops->peer_spad_read)
+		return 0;
+
 	return ntb->ops->peer_spad_read(ntb, idx);
 }