attach: use free_disarm()

Cc: stable-4.0
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/attach.c b/src/lxc/attach.c
index 5f36a0e44d3825ffd5cab4e4e6d8ad2b0c460787..2dca60dcdb87d97347b1f647211b83430f21903a 100644 (file)
--- a/src/lxc/attach.c
+++ b/src/lxc/attach.c
@@ -109,8 +109,7 @@ static inline void lxc_proc_close_ns_fd(struct lxc_proc_context_info *ctx)
 
 static void lxc_proc_put_context_info(struct lxc_proc_context_info *ctx)
 {
-       free(ctx->lsm_label);
-       ctx->lsm_label = NULL;
+       free_disarm(ctx->lsm_label);
 
        if (ctx->container) {
                lxc_container_put(ctx->container);