diff options
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 402d0b8bf58e..143a0e33fe52 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -783,13 +783,15 @@ static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs) if (ret) return ret; - if (cmd.flags & ~IB_MR_REREG_SUPPORTED || !cmd.flags) + if (!cmd.flags) return -EINVAL; + if (cmd.flags & ~IB_MR_REREG_SUPPORTED) + return -EOPNOTSUPP; + if ((cmd.flags & IB_MR_REREG_TRANS) && - (!cmd.start || !cmd.hca_va || 0 >= cmd.length || - (cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK))) - return -EINVAL; + (cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK)) + return -EINVAL; uobj = uobj_get_write(UVERBS_OBJECT_MR, cmd.mr_handle, attrs); if (IS_ERR(uobj)) |