tree 017c38ced502ee9bc874259be7ab61031a15df27
parent 6ba286ad845799b135e5af73d1fbc838fa79f709
author Jan Beulich <JBeulich@suse.com> 1467878721 -0600
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1469190218 -0400

xen-blkback: prefer xenbus_scanf() over xenbus_gather()

... for single items being collected: It is more typesafe (as the
compiler can check format string and to-be-written-to variable match)
and requires one less parameter to be passed.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by: Jens Axboe <axboe@kernel.dk>