| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.7 351/388] NTB: perf: Don't require one more memory window than number of peers | Date | Wed, 17 Jun 2020 21:07:28 -0400 |
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From: Logan Gunthorpe <logang@deltatee.com>
[ Upstream commit a9c4211ac918ade1522aced6b5acfbe824722f7d ]
ntb_perf should not require more than one memory window per peer. This was probably an off-by-one error.
Fixes: 5648e56d03fa ("NTB: ntb_perf: Add full multi-port NTB API support") Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Acked-by: Allen Hubbe <allenbh@gmail.com> Tested-by: Alexander Fomichev <fomichev.ru@gmail.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/ntb/test/ntb_perf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 1c93b9f5c73b..21c8a3bac1e0 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -654,7 +654,7 @@ static int perf_init_service(struct perf_ctx *perf) { u64 mask; - if (ntb_peer_mw_count(perf->ntb) < perf->pcnt + 1) { + if (ntb_peer_mw_count(perf->ntb) < perf->pcnt) { dev_err(&perf->ntb->dev, "Not enough memory windows\n"); return -EINVAL; } -- 2.25.1
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