Re: [PATCH 4.19] IB/umem: fix reference count leak in ib_umem_odp_get()

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On 2020/7/13 22:52, Greg KH wrote:
On Fri, Jun 19, 2020 at 04:03:07PM +0000, Yang Yingliang wrote:
Add missing mmput() on error path to avoid ref-count leak.

This problem has already been resolved in mainline by
f27a0d50a4bc ("RDMA/umem: Use umem->owning_mm inside ODP").

Fixes: 79bb5b7ee177 ("RDMA/umem: Fix missing mmap_sem in get umem ODP call")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
  drivers/infiniband/core/umem_odp.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)
We need an ack by the owner/maintainer of this code, please get the IB
developers/maintainers to do that first.

OK, I will send a new patch.


Any reason why you didn't cc: them also?

thanks,

greg k-h
.




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