diff options
| author | Leon Romanovsky <leonro@mellanox.com> | 2019-06-16 15:05:20 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-06-20 15:17:59 -0400 |
| commit | 836a0fbb3e76f704ad65ddfb57f00725245e509b (patch) | |
| tree | 30d961b48c7029a952e6eeb5077d76ce0e4a5221 /drivers/infiniband/sw/rdmavt/mr.c | |
| parent | 89a6da3cb8f30ee0aeca924d84bef688f22f883e (diff) | |
RDMA: Check umem pointer validity prior to release
Update ib_umem_release() to behave similarly to kfree() and allow
submitting NULL pointer as safe input to this function.
Fixes: a52c8e2469c3 ("RDMA: Clean destroy CQ in drivers do not return errors")
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/mr.c')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/mr.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c index 54f3f9c27552..db800eb2b1f5 100644 --- a/drivers/infiniband/sw/rdmavt/mr.c +++ b/drivers/infiniband/sw/rdmavt/mr.c @@ -560,8 +560,7 @@ int rvt_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata) if (ret) goto out; rvt_deinit_mregion(&mr->mr); - if (mr->umem) - ib_umem_release(mr->umem); + ib_umem_release(mr->umem); kfree(mr); out: return ret; |