From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: [PATCH] RDMA CM: Correct detection of SA Created MGID Date: Tue, 3 Nov 2009 11:33:08 -0700 Message-ID: <20091103183308.GS7768@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Roland Dreier , Sean Hefty List-Id: linux-rdma@vger.kernel.org RDMA CM treats AF_INET6 addresses that are either 0 or prefixed with FF1x:A01B::/32 as MGIDs, but the detection for the prefix was buggy, fix it up. Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/cma.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) Sean: Sounded like you agree? diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 1e9a78a..a1041b2 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2720,7 +2720,7 @@ static void cma_set_mgid(struct rdma_id_private *id_priv, if (cma_any_addr(addr)) { memset(mgid, 0, sizeof *mgid); } else if ((addr->sa_family == AF_INET6) && - ((be32_to_cpu(sin6->sin6_addr.s6_addr32[0]) & 0xFF10A01B) == + ((be32_to_cpu(sin6->sin6_addr.s6_addr32[0]) & 0xFFF0FFFF) == 0xFF10A01B)) { /* IPv6 address is an SA assigned MGID. */ memcpy(mgid, &sin6->sin6_addr, sizeof *mgid); -- 1.5.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html