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| author | Miaoqian Lin <linmq006@gmail.com> | 2022-12-23 11:29:00 +0400 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2022-12-28 14:19:53 +0200 |
| commit | cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 (patch) | |
| tree | e7f2779985c49e41570d97ee6d4cbc6700607192 /drivers/infiniband/hw | |
| parent | ee84146c05ad2316b9a7222d0ec4413e0bf30eeb (diff) | |
| download | linux-cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30.tar.gz | |
RDMA/hns: Fix refcount leak in hns_roce_mmap
rdma_user_mmap_entry_get_pgoff() takes the reference.
Add missing rdma_user_mmap_entry_put() to release the reference.
Fixes: 0045e0d3f42e ("RDMA/hns: Support direct wqe of userspace")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Acked-by Haoyue Xu <xuhaoyue1@hisilicon.com>
Link: https://lore.kernel.org/r/20221223072900.802728-1-linmq006@gmail.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c index 8ba68ac12388..946ba1109e87 100644 --- a/drivers/infiniband/hw/hns/hns_roce_main.c +++ b/drivers/infiniband/hw/hns/hns_roce_main.c @@ -443,14 +443,15 @@ static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma) prot = pgprot_device(vma->vm_page_prot); break; default: - return -EINVAL; + ret = -EINVAL; + goto out; } ret = rdma_user_mmap_io(uctx, vma, pfn, rdma_entry->npages * PAGE_SIZE, prot, rdma_entry); +out: rdma_user_mmap_entry_put(rdma_entry); - return ret; } |