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Commit c7440a2f authored by Chen Gang's avatar Chen Gang Committed by David Vrabel
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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: default avatarChen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent a2ef5dc2

drivers/xen/xenbus/xenbus_client.c

+2 −2
Original line number Diff line number Diff line
@@ -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)

{