diff options
| author | Noa Osherovich <noaos@mellanox.com> | 2019-02-19 15:07:34 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-02-19 20:52:19 -0700 |
| commit | d0e02bf6cd6da339a31f7ef6a10aba9ad362a4d9 (patch) | |
| tree | 3c4859d02e7b0231bff41e9b619d0157f44c7c80 /drivers/infiniband | |
| parent | 1882ab867863531ab9caab81fd6ac5fee6d1a314 (diff) | |
| download | linux-d0e02bf6cd6da339a31f7ef6a10aba9ad362a4d9.tar.bz2 | |
RDMA/core: Verify that memory window type is legal
Before calling the provider's alloc_mw function, verify that the
given memory type is either IB_MW_TYPE_1 or IB_MW_TYPE_2.
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 6baafa1d62d8..6fcfaca82332 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -885,6 +885,11 @@ static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs) goto err_free; } + if (cmd.mw_type != IB_MW_TYPE_1 && cmd.mw_type != IB_MW_TYPE_2) { + ret = -EINVAL; + goto err_put; + } + mw = pd->device->ops.alloc_mw(pd, cmd.mw_type, &attrs->driver_udata); if (IS_ERR(mw)) { ret = PTR_ERR(mw); |