[PATCH 1/1] IB/core: change the return type to void

[PATCH 1/1] IB/core: change the return type to void

[Zhu Yanjun]

The function ib_unregister_mad_agent always returns zero. And
this returned value is not checked. As such, chane the return
type to void.

CC: Joe Jin <joe.jin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
CC: Junxiao Bi <junxiao.bi-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Signed-off-by: Zhu Yanjun <yanjun.zhu-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
---
 drivers/infiniband/core/mad.c | 3 +--
 include/rdma/ib_mad.h         | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 57f231f..8a2ceb4 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -605,7 +605,7 @@ static void unregister_mad_snoop(struct ib_mad_snoop_private *mad_snoop_priv)
 /*
  * ib_unregister_mad_agent - Unregisters a client from using MAD services
  */
-int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent)
+void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent)
 {
 	struct ib_mad_agent_private *mad_agent_priv;
 	struct ib_mad_snoop_private *mad_snoop_priv;
@@ -622,7 +622,6 @@ int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent)
 					      agent);
 		unregister_mad_snoop(mad_snoop_priv);
 	}
-	return 0;
 }
 EXPORT_SYMBOL(ib_unregister_mad_agent);
 
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 981214b..42814a0 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -673,7 +673,7 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
  * After invoking this routine, MAD services are no longer usable by the
  * client on the associated QP.
  */
-int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
+void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
 
 /**
  * ib_post_send_mad - Posts MAD(s) to the send queue of the QP associated
-- 
2.7.4

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Re: [PATCH 1/1] IB/core: change the return type to void

[Yuval Shaia]

On Fri, Mar 31, 2017 at 11:42:55PM -0400, Zhu Yanjun wrote:
> The function ib_unregister_mad_agent always returns zero. And
> this returned value is not checked. As such, chane the return
> type to void.
> 
> CC: Joe Jin <joe.jin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> CC: Junxiao Bi <junxiao.bi-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> Signed-off-by: Zhu Yanjun <yanjun.zhu-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

Reviewed-by: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

> ---
>  drivers/infiniband/core/mad.c | 3 +--
>  include/rdma/ib_mad.h         | 2 +-
>  2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
> index 57f231f..8a2ceb4 100644
> --- a/drivers/infiniband/core/mad.c
> +++ b/drivers/infiniband/core/mad.c
> @@ -605,7 +605,7 @@ static void unregister_mad_snoop(struct ib_mad_snoop_private *mad_snoop_priv)
>  /*
>   * ib_unregister_mad_agent - Unregisters a client from using MAD services
>   */
> -int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent)
> +void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent)
>  {
>  	struct ib_mad_agent_private *mad_agent_priv;
>  	struct ib_mad_snoop_private *mad_snoop_priv;
> @@ -622,7 +622,6 @@ int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent)
>  					      agent);
>  		unregister_mad_snoop(mad_snoop_priv);
>  	}
> -	return 0;
>  }
>  EXPORT_SYMBOL(ib_unregister_mad_agent);
>  
> diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
> index 981214b..42814a0 100644
> --- a/include/rdma/ib_mad.h
> +++ b/include/rdma/ib_mad.h
> @@ -673,7 +673,7 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
>   * After invoking this routine, MAD services are no longer usable by the
>   * client on the associated QP.
>   */
> -int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
> +void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
>  
>  /**
>   * ib_post_send_mad - Posts MAD(s) to the send queue of the QP associated
> -- 
> 2.7.4
> 
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Re: [PATCH 1/1] IB/core: change the return type to void

[Hal Rosenstock]

On 3/31/2017 11:42 PM, Zhu Yanjun wrote:
> The function ib_unregister_mad_agent always returns zero. And
> this returned value is not checked. As such, change the return
> type to void.
> 
> CC: Joe Jin <joe.jin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> CC: Junxiao Bi <junxiao.bi-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> Signed-off-by: Zhu Yanjun <yanjun.zhu-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

Reviewed-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
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