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Groups > linux.kernel > #1277722 > unrolled thread

[PATCH] target: xen-scsiback: Return proper -Exx instead of -1.

Started byKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
First post2015-11-25 20:30 +0100
Last post2015-11-26 07:40 +0100
Articles 2 — 2 participants

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  [PATCH] target: xen-scsiback: Return proper -Exx instead of -1. Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2015-11-25 20:30 +0100
    Re: [PATCH] target: xen-scsiback: Return proper -Exx instead of -1. Juergen Gross <jgross@suse.com> - 2015-11-26 07:40 +0100

#1277722 — [PATCH] target: xen-scsiback: Return proper -Exx instead of -1.

FromKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date2015-11-25 20:30 +0100
Subject[PATCH] target: xen-scsiback: Return proper -Exx instead of -1.
Message-ID<qyNVn-22H-7@gated-at.bofh.it>
We could return EINVAL but EBUSY (or EALREADY?)is more appropiate.

CC: jgross@suse.com
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 drivers/xen/xen-scsiback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 43bcae8..286e3da 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -800,7 +800,7 @@ static int scsiback_init_sring(struct vscsibk_info *info, grant_ref_t ring_ref,
 	int err;
 
 	if (info->irq)
-		return -1;
+		return -EBUSY;
 
 	err = xenbus_map_ring_valloc(info->dev, &ring_ref, 1, &area);
 	if (err)
-- 
2.5.0

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#1277993

FromJuergen Gross <jgross@suse.com>
Date2015-11-26 07:40 +0100
Message-ID<qyYnL-14m-9@gated-at.bofh.it>
In reply to#1277722
On 25/11/15 20:24, Konrad Rzeszutek Wilk wrote:
> We could return EINVAL but EBUSY (or EALREADY?)is more appropiate.
> 
> CC: jgross@suse.com
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

While it doesn't really matter it's cleaner.

Reviewed-by: Juergen Gross <jgross@suse.com>

> ---
>  drivers/xen/xen-scsiback.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
> index 43bcae8..286e3da 100644
> --- a/drivers/xen/xen-scsiback.c
> +++ b/drivers/xen/xen-scsiback.c
> @@ -800,7 +800,7 @@ static int scsiback_init_sring(struct vscsibk_info *info, grant_ref_t ring_ref,
>  	int err;
>  
>  	if (info->irq)
> -		return -1;
> +		return -EBUSY;
>  
>  	err = xenbus_map_ring_valloc(info->dev, &ring_ref, 1, &area);
>  	if (err)
> 

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