[lvm-devel] [PATCH 1/3] cmdlib_lvm2_init: release cmd after registration failed

[Wu Guanghao]

The cmd memory space is allocated by zalloc, and the registration fails and is not released

Signed-off-by: Wu Guanghao <wuguanghao3 at huawei.com>
---
 tools/lvmcmdlib.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/lvmcmdlib.c b/tools/lvmcmdlib.c
index 152d176b2..6b326893c 100644
--- a/tools/lvmcmdlib.c
+++ b/tools/lvmcmdlib.c
@@ -33,8 +33,10 @@ void *cmdlib_lvm2_init(unsigned static_compile, unsigned threaded)
        if (!(cmd = init_lvm(1, 1, threaded)))
                return NULL;

-       if (!lvm_register_commands(cmd, NULL))
+       if (!lvm_register_commands(cmd, NULL)) {
+               free(cmd);
                return NULL;
+       }

        return (void *) cmd;
 }
--
2.23.0