The cinfo struct has a hole after the last struct member so we need to
zero it out.  Otherwise we don't disclose some uninitialized stack data.

Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/staging/rdma/hfi1/file_ops.c 
b/drivers/staging/rdma/hfi1/file_ops.c
index 4698617..2c43ca5 100644
--- a/drivers/staging/rdma/hfi1/file_ops.c
+++ b/drivers/staging/rdma/hfi1/file_ops.c
@@ -1181,6 +1181,7 @@ static int get_ctxt_info(struct file *fp, void __user 
*ubase, __u32 len)
        struct hfi1_filedata *fd = fp->private_data;
        int ret = 0;
 
+       memset(&cinfo, 0, sizeof(cinfo));
        ret = hfi1_get_base_kinfo(uctxt, &cinfo);
        if (ret < 0)
                goto done;
--
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