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| author |   Devesh Sharma <devesh.sharma@emulex.com> | 2014-09-26 20:45:32 +0530 |
|---|---|---|
| committer |   Roland Dreier <roland@purestorage.com> | 2014-10-14 00:29:06 -0700 |
| commit | 8b0f93d9490653a7b9fc91f3570089132faed1c0 (patch) | |
| tree | 89b31b1a022bcd4eba352db9379b576e599ae2f6 /drivers/infiniband/core | |
| parent | Linux 3.17-rc7 (diff) | |
| download | linux-dev-8b0f93d9490653a7b9fc91f3570089132faed1c0.tar.xz linux-dev-8b0f93d9490653a7b9fc91f3570089132faed1c0.zip | |
IB/core: Clear AH attr variable to prevent garbage data
During create-ah from userspace, uverbs is sending garbage data in
attr.dmac and attr.vlan_id. This patch sets attr.dmac and
attr.vlan_id to zero.
Fixes: dd5f03beb4f7 ("IB/core: Ethernet L2 attributes in verbs/cm structures")
Signed-off-by: Devesh Sharma <devesh.sharma@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 0600c50e6215..5ba2a86aab6a 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -2518,6 +2518,8 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file, attr.grh.sgid_index = cmd.attr.grh.sgid_index; attr.grh.hop_limit = cmd.attr.grh.hop_limit; attr.grh.traffic_class = cmd.attr.grh.traffic_class; + attr.vlan_id = 0; + memset(&attr.dmac, 0, sizeof(attr.dmac)); memcpy(attr.grh.dgid.raw, cmd.attr.grh.dgid, 16); ah = ib_create_ah(pd, &attr); |