Re: [PATCH 2/8] libmultipath: scsi_ioctl_pathinfo doesn't fail

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On Wed, Oct 10, 2018 at 10:05:00PM +0200, Martin Wilck wrote:
> This function never returns error, so make a void.
> Move the mask test to pathinfo() where it belongs.
> The error message about the serial number isn't important
> any more, reduce its level to v3.
> 

Didn't you intend to move the DI_SERIAL check to pathinfo()

regardless,

Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>

> Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
> ---
>  libmultipath/discovery.c | 17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)
> 
> diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
> index b267f07c..8381d982 100644
> --- a/libmultipath/discovery.c
> +++ b/libmultipath/discovery.c
> @@ -1496,7 +1496,7 @@ sysfs_pathinfo(struct path * pp, vector hwtable)
>  	}
>  }
>  
> -static int
> +static void
>  scsi_ioctl_pathinfo (struct path * pp, struct config *conf, int mask)
>  {
>  	struct udev_device *parent;
> @@ -1506,7 +1506,7 @@ scsi_ioctl_pathinfo (struct path * pp, struct config *conf, int mask)
>  		detect_alua(pp, conf);
>  
>  	if (!(mask & DI_SERIAL))
> -		return 0;
> +		return;
>  
>  	parent = pp->udev;
>  	while (parent) {
> @@ -1525,17 +1525,17 @@ scsi_ioctl_pathinfo (struct path * pp, struct config *conf, int mask)
>  		parent = udev_device_get_parent(parent);
>  	}
>  	if (!attr_path || pp->sg_id.host_no == -1)
> -		return 0;
> +		return;
>  
>  	if (get_vpd_sysfs(parent, 0x80, pp->serial, SERIAL_SIZE) <= 0) {
>  		if (get_serial(pp->serial, SERIAL_SIZE, pp->fd)) {
> -			condlog(2, "%s: fail to get serial", pp->dev);
> -			return 0;
> +			condlog(3, "%s: fail to get serial", pp->dev);
> +			return;
>  		}
>  	}
>  
>  	condlog(3, "%s: serial = %s", pp->dev, pp->serial);
> -	return 0;
> +	return;
>  }
>  
>  static int
> @@ -1937,9 +1937,8 @@ int pathinfo(struct path *pp, struct config *conf, int mask)
>  	if (mask & DI_SERIAL)
>  		get_geometry(pp);
>  
> -	if (path_state == PATH_UP && pp->bus == SYSFS_BUS_SCSI &&
> -	    scsi_ioctl_pathinfo(pp, conf, mask))
> -		goto blank;
> +	if (path_state == PATH_UP && pp->bus == SYSFS_BUS_SCSI)
> +		scsi_ioctl_pathinfo(pp, conf, mask);
>  
>  	if (pp->bus == SYSFS_BUS_CCISS &&
>  	    cciss_ioctl_pathinfo(pp, mask))
> -- 
> 2.19.0

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