diff options
Diffstat (limited to 'drivers/char/hvc_xen.c')
| -rw-r--r-- | drivers/char/hvc_xen.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/hvc_xen.c b/drivers/char/hvc_xen.c index 60446f82a3f..6b8e6d18a8e 100644 --- a/drivers/char/hvc_xen.c +++ b/drivers/char/hvc_xen.c @@ -74,7 +74,8 @@ static int __write_console(const char *data, int len) wmb(); /* write ring before updating pointer */ intf->out_prod = prod; - notify_daemon(); + if (sent) + notify_daemon(); return sent; } |