commands: tweak return values

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

diff --git a/src/lxc/commands.c b/src/lxc/commands.c
index 82c3d3285784299049b9e52fddb9c049fb5e7db9..f61b0ca409544160f1e0a92492c7d7792b9045e9 100644 (file)
--- a/src/lxc/commands.c
+++ b/src/lxc/commands.c
@@ -180,7 +180,7 @@ static int lxc_cmd_rsp_recv(int sock, struct lxc_cmd_rr *cmd)
 
                rspdata = malloc(sizeof(*rspdata));
                if (!rspdata)
-                       return syserrno_set(-ENOMEM, "Failed to receive response for command \"%s\"", cur_cmdstr);
+                       return syserrno_set(fret ?: -ENOMEM, "Failed to receive response for command \"%s\"", cur_cmdstr);
 
                rspdata->ptxfd = move_fd(fds->fd[0]);
                rspdata->ttynum = PTR_TO_INT(rsp->data);
@@ -215,7 +215,7 @@ static int lxc_cmd_rsp_recv(int sock, struct lxc_cmd_rr *cmd)
 
        if ((rsp->datalen > LXC_CMD_DATA_MAX) &&
            (cur_cmd != LXC_CMD_CONSOLE_LOG))
-               return syserrno_set(-E2BIG, "Response data for command \"%s\" is too long: %d bytes > %d",
+               return syserrno_set(fret ?: -E2BIG, "Response data for command \"%s\" is too long: %d bytes > %d",
                                    cur_cmdstr, rsp->datalen, LXC_CMD_DATA_MAX);
 
        if (cur_cmd == LXC_CMD_CONSOLE_LOG)
@@ -223,7 +223,7 @@ static int lxc_cmd_rsp_recv(int sock, struct lxc_cmd_rr *cmd)
        else if (cur_cmd != LXC_CMD_GET_CGROUP_CTX)
                rsp->data = malloc(rsp->datalen);
        if (!rsp->data)
-               return syserrno_set(-ENOMEM, "Failed to allocate response buffer for command \"%s\"", cur_cmdstr);
+               return syserrno_set(fret ?: -ENOMEM, "Failed to allocate response buffer for command \"%s\"", cur_cmdstr);
 
        ret = lxc_recv_nointr(sock, rsp->data, rsp->datalen, 0);
        if (ret != rsp->datalen)