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RDMA/uverbs: Prevent leak of reserved field 

initialize to zero the response structure to prevent
the leakage of "resp.reserved" field.

drivers/infiniband/core/uverbs_cmd.c:1178 ib_uverbs_resize_cq() warn:
	check that 'resp.reserved' doesn't leak information

Fixes: 33b9b3ee97 ("IB: Add userspace support for resizing CQs")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Leon Romanovsky 2017-08-01 09:41:35 +03:00 committed by Doug Ledford
parent 5fff41e1f8
commit f7a6cb7b38
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/uverbs_cmd.c
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@ -1153,7 +1153,7 @@ ssize_t ib_uverbs_resize_cq(struct ib_uverbs_file *file,
int out_len)
{
struct ib_uverbs_resize_cq cmd;
struct ib_uverbs_resize_cq_resp resp;
struct ib_uverbs_resize_cq_resp resp = {};
struct ib_udata udata;
struct ib_cq *cq;
int ret = -EINVAL;