From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>
Cc: Maher Sanalla <msanalla@nvidia.com>, linux-rdma@vger.kernel.org
Subject: Re: [PATCH rdma-next v1] RDMA/uverbs: Propagate errors from rdma_lookup_get_uobject()
Date: Thu, 13 Mar 2025 08:26:57 -0400 [thread overview]
Message-ID: <174186881737.533355.13926406691275120339.b4-ty@kernel.org> (raw)
In-Reply-To: <64f9d3711b183984e939962c2f83383904f97dfb.1740577869.git.leon@kernel.org>
On Wed, 26 Feb 2025 15:54:13 +0200, Leon Romanovsky wrote:
> Currently, the IB uverbs API calls uobj_get_uobj_read(), which in turn
> uses the rdma_lookup_get_uobject() helper to retrieve user objects.
> In case of failure, uobj_get_uobj_read() returns NULL, overriding the
> error code from rdma_lookup_get_uobject(). The IB uverbs API then
> translates this NULL to -EINVAL, masking the actual error and
> complicating debugging. For example, applications calling ibv_modify_qp
> that fails with EBUSY when retrieving the QP uobject will see the
> overridden error code EINVAL instead, masking the actual error.
>
> [...]
Applied, thanks!
[1/1] RDMA/uverbs: Propagate errors from rdma_lookup_get_uobject()
https://git.kernel.org/rdma/rdma/c/81f8f7454ad9e0
Best regards,
--
Leon Romanovsky <leon@kernel.org>
prev parent reply other threads:[~2025-03-13 12:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-26 13:54 [PATCH rdma-next v1] RDMA/uverbs: Propagate errors from rdma_lookup_get_uobject() Leon Romanovsky
2025-02-27 20:57 ` Jason Gunthorpe
2025-02-28 16:42 ` Maher Sanalla
2025-03-13 12:26 ` Leon Romanovsky [this message]
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