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-rw-r--r--include/linux/ntb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index 50a7dbe88cf3..de87ceac110e 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -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);
}