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| author |   Steven Wahl <Steve_Wahl@Dell.com> | 2016-12-08 17:02:28 +0000 |
|---|---|---|
| committer |   Jon Mason <jdmason@kudzu.us> | 2016-12-23 16:10:50 -0500 |
| commit | 5c43c52d5fb6163120ae5d9a281c3b757ca6119c (patch) | |
| tree | ff751fe1e706990e2cd0b773a54c06ea347c80d0 /include/linux/ntb.h | |
| parent | MAINTAINERS: Change in maintainer for AMD NTB (diff) | |
| download | linux-dev-5c43c52d5fb6163120ae5d9a281c3b757ca6119c.tar.xz linux-dev-5c43c52d5fb6163120ae5d9a281c3b757ca6119c.zip | |
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>
Diffstat (limited to 'include/linux/ntb.h')
| -rw-r--r-- | include/linux/ntb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 6f47562d477b..816bd9835bee 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); } |