all: use the elvis operator wherever possible

Coccinelle:

  @@
  expression a, b;
  @@
  -a ? a : b
  +a ?: b

Applied with:

  spatch --sp-file ternary.cocci --in-place --smpl-spacing --dir .

With some manual adjustments on spots that Cocci didn't catch for
reasons unknown.

Thanks to the marvelous effort of the GNU compiler developer we can now
spare a couple of bits that could be used for more important things,
like this commit message. Standards commitees yet have to catch up.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/nm-policy.c b/src/nm-policy.c
index 55b6caf601..61cc001f0b 100644
--- a/src/nm-policy.c
+++ b/src/nm-policy.c
@@ -2119,7 +2119,7 @@ vpn_connection_retry_after_failure (NMVpnConnection *vpn, NMPolicy *self)
 	                                     &error)) {
 		_LOGW (LOGD_DEVICE, "VPN '%s' reconnect failed: %s",
 		       nm_settings_connection_get_id (connection),
-		       error->message ? error->message : "unknown");
+		       error->message ?: "unknown");
 		g_clear_error (&error);
 	}
 }