[lvm-devel] master - dmeventd: no registering of 0 event mask
Zdenek Kabelac
zkabelac at fedoraproject.org
Thu Oct 22 21:33:41 UTC 2015
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=9488cbdd0bd3a410ec1e77454c6a18bdfe8612f5
Commit: 9488cbdd0bd3a410ec1e77454c6a18bdfe8612f5
Parent: fa9e41d2e373e7e8017b158f60eb3e77a582f532
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Thu Oct 22 11:10:57 2015 +0200
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Thu Oct 22 22:33:19 2015 +0200
dmeventd: no registering of 0 event mask
Whenever user tries to register 0 mask report this as EINVAL.
---
daemons/dmeventd/dmeventd.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/daemons/dmeventd/dmeventd.c b/daemons/dmeventd/dmeventd.c
index 80e6b14..f2c417c 100644
--- a/daemons/dmeventd/dmeventd.c
+++ b/daemons/dmeventd/dmeventd.c
@@ -1472,6 +1472,8 @@ static int _handle_request(struct dm_event_daemon_message *msg,
{
switch (msg->cmd) {
case DM_EVENT_CMD_REGISTER_FOR_EVENT:
+ if (!message_data->events_field)
+ return -EINVAL;
return _register_for_event(message_data);
case DM_EVENT_CMD_UNREGISTER_FOR_EVENT:
return _unregister_for_event(message_data);
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