From: Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
Cc: RDMA list <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] mlx4: properly mask MGM entry members count
Date: Mon, 15 Nov 2010 16:08:29 +0200 [thread overview]
Message-ID: <20101115140829.GA20355@mtldesk30> (raw)
The members_count field size is 24 bits so mask it properly when reading it.
Signed-off-by: Eli Cohen <eli-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
---
drivers/net/mlx4/mcg.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c
index c4f88b7..fff20fc 100644
--- a/drivers/net/mlx4/mcg.c
+++ b/drivers/net/mlx4/mcg.c
@@ -187,7 +187,7 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
memcpy(mgm->gid, gid, 16);
}
- members_count = be32_to_cpu(mgm->members_count);
+ members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
if (members_count == MLX4_QP_PER_MGM) {
mlx4_err(dev, "MGM at index %x is full.\n", index);
err = -ENOMEM;
--
1.6.0.2
--
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next reply other threads:[~2010-11-15 14:08 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-15 14:08 Eli Cohen [this message]
2010-11-16 9:38 ` [PATCH] mlx4: properly mask MGM entry members count Aleksey Senin
[not found] ` <AANLkTi=zJsFjbrZrpj-E65T49ewgqdia+MOPnqmgx5KW-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-16 18:03 ` Eli Cohen
2010-11-16 16:11 ` Roland Dreier
[not found] ` <ada62vxl046.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-11-16 18:07 ` Eli Cohen
2010-11-16 22:43 ` Roland Dreier
[not found] ` <ada1v6klwil.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-11-17 9:01 ` Eli Cohen
2010-11-17 17:38 ` Roland Dreier
[not found] ` <adasjyzkfyw.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-11-18 6:51 ` Eli Cohen
2010-11-25 7:13 ` Aleksey Senin
[not found] ` <AANLkTinN43YgQW3ftbng-4f2NiNe9_oXPVCX5LPzh7uG-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-25 8:36 ` Or Gerlitz
[not found] ` <4CEE200B.70106-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>
2010-11-25 8:56 ` Alekseys Senin
[not found] ` <1290675387.4050.51.camel-uOVkuFIEnOODI2cvxHXf6UEOCMrvLtNR@public.gmane.org>
2010-11-28 13:50 ` Aleksey Senin
[not found] ` <AANLkTikWrQRcA62bkM=1zWQuyH6nABSvqnbAeaAjfgcP-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-11-29 17:34 ` Roland Dreier
[not found] ` <adafwukf2yy.fsf-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2010-11-30 11:07 ` Aleksey Senin
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