As only the requested fields are set and copied to userspace,
there's no need to clear the content of the response structure
beforehand.

Link: http://mid.gmane.org/[email protected]
Cc: Sagi Grimberg <[email protected]>
Cc: Shachar Raindel <[email protected]>
Cc: Eli Cohen <[email protected]>
Cc: Haggai Eran <[email protected]>
Signed-off-by: Yann Droneaud <[email protected]>
---
 drivers/infiniband/core/uverbs_cmd.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/uverbs_cmd.c 
b/drivers/infiniband/core/uverbs_cmd.c
index 81d8b5aa2eb6..9520880a163f 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -3328,9 +3328,9 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
        if (err)
                return err;
 
-       memset(&resp, 0, sizeof(resp));
        copy_query_dev_fields(file, &resp.base, &attr);
        resp.comp_mask = 0;
+       resp.reserved = 0;
 
        if (ucore->outlen < resp_len + sizeof(resp.odp_caps))
                goto end;
@@ -3343,6 +3343,9 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file,
                attr.odp_caps.per_transport_caps.uc_odp_caps;
        resp.odp_caps.per_transport_caps.ud_odp_caps =
                attr.odp_caps.per_transport_caps.ud_odp_caps;
+       resp.odp_caps.reserved = 0;
+#else
+       memset(&resp.odp_caps, 0, sizeof(resp.odp_caps));
 #endif
        resp.comp_mask |= IB_USER_VERBS_EX_QUERY_DEVICE_ODP;
        resp_len += sizeof(resp.odp_caps);
-- 
2.1.0

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