38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
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From 1264732c29782e314d02ac3fb494909d8815fa02 Mon Sep 17 00:00:00 2001
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From: Leon Romanovsky <leonro@mellanox.com>
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Date: Tue, 3 Apr 2018 10:28:42 +0300
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Subject: [PATCH] rdma: Ignore unknown netlink attributes
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The check if netlink attributes supplied more than maximum supported
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is to strict and may lead to backward compatibility issues with old
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application with a newer kernel that supports new attribute.
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CC: Steve Wise <swise@opengridcomputing.com>
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Fixes: 74bd75c2b68d ("rdma: Add basic infrastructure for RDMA tool")
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Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
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Reviewed-by: Steve Wise <swise@opengridcomputing.com>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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(cherry picked from commit fda0a61dde744abe69d4227f62b66238460c9011)
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Signed-off-by: Phil Sutter <psutter@redhat.com>
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---
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rdma/utils.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/rdma/utils.c b/rdma/utils.c
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index f9460162ce369..910b3800eade5 100644
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--- a/rdma/utils.c
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+++ b/rdma/utils.c
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@@ -383,7 +383,8 @@ int rd_attr_cb(const struct nlattr *attr, void *data)
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int type;
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if (mnl_attr_type_valid(attr, RDMA_NLDEV_ATTR_MAX) < 0)
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- return MNL_CB_ERROR;
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+ /* We received uknown attribute */
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+ return MNL_CB_OK;
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type = mnl_attr_get_type(attr);
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--
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2.17.0
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