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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-24 19:52:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-24 19:52:24 -0700 |
| commit | aa34e07e457ed13b44d680b5b605e3e5a585f611 (patch) | |
| tree | 0c46cb911f52cb0f19082bf925758d7f1f4527c7 /drivers/xen/xenbus | |
| parent | 0d7317598214134d73da59990b846481a9527a00 (diff) | |
| parent | c251f15c7dbf2cb72e7b2b282020b41f4e4d3665 (diff) | |
Merge tag 'for-linus-4.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from David Vrabel:
- advertise control feature flags in xenstore
- fix x86 build when XEN_PVHVM is disabled
* tag 'for-linus-4.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xenbus: check return value of xenbus_scanf()
xenbus: prefer list_for_each()
x86: xen: move cpu_up functions out of ifdef
xenbus: advertise control feature flags
Diffstat (limited to 'drivers/xen/xenbus')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_dev_frontend.c | 4 | ||||
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe_frontend.c | 4 |
2 files changed, 5 insertions, 3 deletions
diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index c1010f018bd8..1e8be12ebb55 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -364,7 +364,7 @@ out: static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u) { - struct watch_adapter *watch, *tmp_watch; + struct watch_adapter *watch; char *path, *token; int err, rc; LIST_HEAD(staging_q); @@ -399,7 +399,7 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u) } list_add(&watch->list, &u->watches); } else { - list_for_each_entry_safe(watch, tmp_watch, &u->watches, list) { + list_for_each_entry(watch, &u->watches, list) { if (!strcmp(watch->token, token) && !strcmp(watch->watch.node, path)) { unregister_xenbus_watch(&watch->watch); diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c index 611a23119675..6d40a972ffb2 100644 --- a/drivers/xen/xenbus/xenbus_probe_frontend.c +++ b/drivers/xen/xenbus/xenbus_probe_frontend.c @@ -335,7 +335,9 @@ static int backend_state; static void xenbus_reset_backend_state_changed(struct xenbus_watch *w, const char **v, unsigned int l) { - xenbus_scanf(XBT_NIL, v[XS_WATCH_PATH], "", "%i", &backend_state); + if (xenbus_scanf(XBT_NIL, v[XS_WATCH_PATH], "", "%i", + &backend_state) != 1) + backend_state = XenbusStateUnknown; printk(KERN_DEBUG "XENBUS: backend %s %s\n", v[XS_WATCH_PATH], xenbus_strstate(backend_state)); wake_up(&backend_state_wq); |