From 1080b38db49f7e3075aa9cd5a87f1587282cc0b0 Mon Sep 17 00:00:00 2001 From: Juergen Gross Date: Mon, 31 Oct 2016 14:58:41 +0100 Subject: [PATCH] xen: make use of xenbus_read_unsigned() in xen-scsifront Use xenbus_read_unsigned() instead of xenbus_scanf() when possible. Signed-off-by: Juergen Gross Acked-by: David Vrabel --- drivers/scsi/xen-scsifront.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/scsi/xen-scsifront.c b/drivers/scsi/xen-scsifront.c index 9dc8687bf048..7e817c64f385 100644 --- a/drivers/scsi/xen-scsifront.c +++ b/drivers/scsi/xen-scsifront.c @@ -1060,13 +1060,9 @@ static void scsifront_read_backend_params(struct xenbus_device *dev, struct vscsifrnt_info *info) { unsigned int sg_grant, nr_segs; - int ret; struct Scsi_Host *host = info->host; - ret = xenbus_scanf(XBT_NIL, dev->otherend, "feature-sg-grant", "%u", - &sg_grant); - if (ret != 1) - sg_grant = 0; + sg_grant = xenbus_read_unsigned(dev->otherend, "feature-sg-grant", 0); nr_segs = min_t(unsigned int, sg_grant, SG_ALL); nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE); nr_segs = min_t(unsigned int, nr_segs,