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NTB: perf: Don't require one more memory window than number of peers

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[ 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>
This commit is contained in:
Logan Gunthorpe 2019-01-09 12:22:30 -07:00 committed by Greg Kroah-Hartman
parent 2b97e354e5
commit ec84901316
1 changed files with 1 additions and 1 deletions
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2
drivers/ntb/test/ntb_perf.c
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@ -653,7 +653,7 @@ 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;
}