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Commit 1080b38d authored by Juergen Gross's avatar Juergen Gross
Browse files

xen: make use of xenbus_read_unsigned() in xen-scsifront 



Use xenbus_read_unsigned() instead of xenbus_scanf() when possible.

Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
Acked-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent 58faf07b

drivers/scsi/xen-scsifront.c

+1 −5
Original line number Original line Diff line number Diff line
@@ -1060,13 +1060,9 @@ static void scsifront_read_backend_params(struct xenbus_device *dev, 
					  struct vscsifrnt_info *info)

					  struct vscsifrnt_info *info)

{

{

	unsigned int sg_grant, nr_segs;

	unsigned int sg_grant, nr_segs;

	int ret;

	struct Scsi_Host *host = info->host;

	struct Scsi_Host *host = info->host;





	ret = xenbus_scanf(XBT_NIL, dev->otherend, "feature-sg-grant", "%u",

	sg_grant = xenbus_read_unsigned(dev->otherend, "feature-sg-grant", 0);

			   &sg_grant);

	if (ret != 1)

		sg_grant = 0;

	nr_segs = min_t(unsigned int, sg_grant, SG_ALL);

	nr_segs = min_t(unsigned int, sg_grant, SG_ALL);

	nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE);

	nr_segs = max_t(unsigned int, nr_segs, VSCSIIF_SG_TABLESIZE);

	nr_segs = min_t(unsigned int, nr_segs,

	nr_segs = min_t(unsigned int, nr_segs,