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| author | Leon Romanovsky <leonro@mellanox.com> | 2017-10-31 19:09:54 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-31 20:12:55 +0100 |
| commit | 287683d027a3ff83feb6c7044430c79881664ecf (patch) | |
| tree | a047276f244bba9f13d37362c493e8438de80e69 /drivers/infiniband | |
| parent | Merge tag 'pm-urgent-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/r... (diff) | |
| download | linux-287683d027a3ff83feb6c7044430c79881664ecf.tar.xz linux-287683d027a3ff83feb6c7044430c79881664ecf.zip | |
RDMA/nldev: Enforce device index check for port callback
IB device index is nldev's handler and it should be checked always.
Fixes: c3f66f7b0052 ("RDMA/netlink: Implement nldev port doit callback")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Doug Ledford <dledford@redhat.com>
[ Applying directly, since Doug fried his SSD's and is rebuilding - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 3ba24c428c3b..2fae850a3eff 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -214,7 +214,9 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy, extack); - if (err || !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) + if (err || + !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || + !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) return -EINVAL; index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); |