diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
| commit | f29135ee4e0d4e01911ed569f731bfdb841cea6d (patch) | |
| tree | e72d49a2f677dd069c3a673522cf785548148f71 /drivers/xen/manage.c | |
| parent | eab976693153b9854bfa83d131374748f6ca4280 (diff) | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
Merge v4.18-rc3 into drm-next
Two requests have come in for a backmerge,
and I've got some pull reqs on rc2, so this
just makes sense.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/xen/manage.c')
| -rw-r--r-- | drivers/xen/manage.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c index 8835065029d3..c93d8ef8df34 100644 --- a/drivers/xen/manage.c +++ b/drivers/xen/manage.c @@ -289,8 +289,15 @@ static void sysrq_handler(struct xenbus_watch *watch, const char *path, return; } - if (sysrq_key != '\0') - xenbus_printf(xbt, "control", "sysrq", "%c", '\0'); + if (sysrq_key != '\0') { + err = xenbus_printf(xbt, "control", "sysrq", "%c", '\0'); + if (err) { + pr_err("%s: Error %d writing sysrq in control/sysrq\n", + __func__, err); + xenbus_transaction_end(xbt, 1); + return; + } + } err = xenbus_transaction_end(xbt, 0); if (err == -EAGAIN) @@ -342,7 +349,12 @@ static int setup_shutdown_watcher(void) continue; snprintf(node, FEATURE_PATH_SIZE, "feature-%s", shutdown_handlers[idx].command); - xenbus_printf(XBT_NIL, "control", node, "%u", 1); + err = xenbus_printf(XBT_NIL, "control", node, "%u", 1); + if (err) { + pr_err("%s: Error %d writing %s\n", __func__, + err, node); + return err; + } } return 0; |