aboutsummaryrefslogtreecommitdiff
path: root/drivers/xen/xenbus/xenbus_client.c
diff options
context:
space:
mode:
authorChen Gang <gang.chen.5i5j@gmail.com>2014-09-26 23:34:29 +0800
committerDavid Vrabel <david.vrabel@citrix.com>2014-10-06 10:27:56 +0100
commitc7440a2f225e3b37abbe27f069465cd31ba94b3c (patch)
tree41d47d9551477b23d6ca0f6ad7c94dcf5f8b9a18 /drivers/xen/xenbus/xenbus_client.c
parenta2ef5dc2c7cbedbeb4c847039845afaea5e63745 (diff)
downloadlinux-stericsson-c7440a2f225e3b37abbe27f069465cd31ba94b3c.tar.gz
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>
Diffstat (limited to 'drivers/xen/xenbus/xenbus_client.c')
-rw-r--r--drivers/xen/xenbus/xenbus_client.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
index 439c9dca9eee..aa9b2fcdaeb2 100644
--- a/drivers/xen/xenbus/xenbus_client.c
+++ b/drivers/xen/xenbus/xenbus_client.c
@@ -361,8 +361,8 @@ static void xenbus_switch_fatal(struct xenbus_device *dev, int depth, int err,
* @ring_mfn: mfn of ring to grant
* Grant access to the given @ring_mfn to the peer of the given device. Return
- * 0 on success, or -errno on error. On error, the device will switch to
- * XenbusStateClosing, and the error will be saved in the store.
+ * a grant reference on success, or -errno on error. On error, the device will
+ * switch to XenbusStateClosing, and the error will be saved in the store.
*/
int xenbus_grant_ring(struct xenbus_device *dev, unsigned long ring_mfn)
{