silence -Wmaybe-uninitialized warning

It does not look like it actually can be used uninitialized ... but gcc
complains, so with Werror this prevents from compiling.

sample warning output:
In file included from /home/gannega/export/vpp/build-data/../src/vnet/handoff.h:21:0,
                 from /home/gannega/export/vpp/build-data/../src/plugins/snat/in2out.c:19:
/home/gannega/export/vpp/build-data/../src/plugins/snat/in2out.c: In function 'snat_in2out_node_fn_inline':
/home/gannega/export/vpp/build-data/../src/vnet/ip/ip4_packet.h:244:15: error: 'inner_ip0' may be used uninitialized in this function [-Werror=maybe-uninitialized]
   i->checksum = 0;
               ^
/home/gannega/export/vpp/build-data/../src/plugins/snat/in2out.c:433:17: note: 'inner_ip0' was declared here
   ip4_header_t *inner_ip0;

Change-Id: If7c35dfb528861fd4ec6374aa1343b48f0f93057
Signed-off-by: Gabriel Ganne <gabriel.ganne@enea.com>

diff --git a/src/plugins/snat/in2out.c b/src/plugins/snat/in2out.c
index c6dc7ca..fd8d30a 100644 (file)
--- a/src/plugins/snat/in2out.c
+++ b/src/plugins/snat/in2out.c
@@ -430,7 +430,7 @@ static inline u32 icmp_in2out_slow_path (snat_main_t *sm,
 {
   snat_session_key_t key0;
   icmp_echo_header_t *echo0, *inner_echo0 = 0;
-  ip4_header_t *inner_ip0;
+  ip4_header_t *inner_ip0 = 0;
   void *l4_header = 0;
   icmp46_header_t *inner_icmp0;
   clib_bihash_kv_8_8_t kv0, value0;