xen/xenbus: Correct the comments for xenbus_grant_ring()
authorChen Gang <gang.chen.5i5j@gmail.com>
Fri, 26 Sep 2014 15:34:29 +0000 (23:34 +0800)
committerDavid Vrabel <david.vrabel@citrix.com>
Mon, 6 Oct 2014 09:27:56 +0000 (10:27 +0100)
commitc7440a2f225e3b37abbe27f069465cd31ba94b3c
tree41d47d9551477b23d6ca0f6ad7c94dcf5f8b9a18
parenta2ef5dc2c7cbedbeb4c847039845afaea5e63745
xen/xenbus: Correct the comments for xenbus_grant_ring()

A grant reference (which is a positive number) can indicate success, so
the original comments need be improved.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
drivers/xen/xenbus/xenbus_client.c