[lvm-devel] master - commands: initialize commands[] once
David Teigland
teigland at fedoraproject.org
Thu Feb 16 20:03:41 UTC 2017
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=1cb95fa5a050c5056d882ef9cbb01ce8040df019
Commit: 1cb95fa5a050c5056d882ef9cbb01ce8040df019
Parent: 15f51bc42113494bfb49fbc0d6a1913f68fb80a8
Author: David Teigland <teigland at redhat.com>
AuthorDate: Thu Feb 16 13:59:52 2017 -0600
Committer: David Teigland <teigland at redhat.com>
CommitterDate: Thu Feb 16 13:59:52 2017 -0600
commands: initialize commands[] once
When using liblvm2cmd, a process can do multiple
init/exit calls, i.e.
lvm2_init(); lvm2_run(); lvm2_exit();
lvm2_init(); lvm2_run(); lvm2_exit();
...
define_commands() needs to set up the global commands[]
definitions only the first time.
---
tools/lvmcmdline.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/tools/lvmcmdline.c b/tools/lvmcmdline.c
index ed32f1c..e599ded 100644
--- a/tools/lvmcmdline.c
+++ b/tools/lvmcmdline.c
@@ -1130,6 +1130,10 @@ void lvm_register_commands(char *name)
{
int i;
+ /* already initialized */
+ if (_cmdline.commands)
+ return;
+
memset(&commands, 0, sizeof(commands));
/*
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