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NTB: correct ntb_peer_spad_read for case when callback is not supplied. 

Correct ntb_peer_spad_read for case when callback is not supplied

Signed-off-by: Steve Wahl <Steve.Wahl@dell.com>
Acked-by: Allen Hubbe <Allen.Hubbe@dell.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Steven Wahl 2016-12-08 17:02:28 +00:00 committed by Jon Mason
parent bc034e5262
commit 5c43c52d5f
1 changed files with 3 additions and 0 deletions
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3
include/linux/ntb.h
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@ -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);
}