tree f09b1169817849c0c1d2ae71524465bf5cdef428
parent f5a2255010b0bde6df5a9060dbc826ad14ad4c44
author Stephen Hemminger <stephen@networkplumber.org> 1512154909 -0800
committer David S. Miller <davem@davemloft.net> 1512313802 -0500

vmbus: make hv_get_ringbuffer_availbytes local

The last use of hv_get_ringbuffer_availbytes in drivers is now
gone. Only used by the debug info routine so make it static. Also, add
READ_ONCE() to avoid any possible issues with potentially volatile
index values.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>