diff options
| author | Miaoqian Lin <linmq006@gmail.com> | 2022-12-20 15:11:39 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2022-12-28 12:55:34 +0300 |
| commit | ee84146c05ad2316b9a7222d0ec4413e0bf30eeb (patch) | |
| tree | ffce53f2d646385d55800fb9075d61a91cdd7e9e /drivers/infiniband/hw/erdma | |
| parent | cab30a98352511c0cb3ab6deb5d06b55fe4eb10a (diff) | |
| download | linux-ee84146c05ad2316b9a7222d0ec4413e0bf30eeb.tar.xz | |
RDMA/erdma: Fix refcount leak in erdma_mmap
rdma_user_mmap_entry_get() take reference, we should release it when not
need anymore, add the missing rdma_user_mmap_entry_put() in the error
path to fix it.
Fixes: 155055771704 ("RDMA/erdma: Add verbs implementation")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20221220121139.1540564-1-linmq006@gmail.com
Acked-by: Cheng Xu <chengyou@linux.alibaba.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/erdma')
| -rw-r--r-- | drivers/infiniband/hw/erdma/erdma_verbs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.c b/drivers/infiniband/hw/erdma/erdma_verbs.c index 5dab1e87975b..9c30d78730aa 100644 --- a/drivers/infiniband/hw/erdma/erdma_verbs.c +++ b/drivers/infiniband/hw/erdma/erdma_verbs.c @@ -1110,12 +1110,14 @@ int erdma_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma) prot = pgprot_device(vma->vm_page_prot); break; default: - return -EINVAL; + err = -EINVAL; + goto put_entry; } err = rdma_user_mmap_io(ctx, vma, PFN_DOWN(entry->address), PAGE_SIZE, prot, rdma_entry); +put_entry: rdma_user_mmap_entry_put(rdma_entry); return err; } |