lib/gtp-kernel.c: initialize ret with 0
Fix -Werror=maybe-uninitialize found in Pau's build env:
/home/pespin/dev/sysmocom/git/osmo-ggsn/lib/gtp-kernel.c: In function ‘gtp_kernel_tunnel_add’:
/home/pespin/dev/sysmocom/git/osmo-ggsn/lib/gtp-kernel.c:111:13: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialize]
111 | int ret;
| ^~~
/home/pespin/dev/sysmocom/git/osmo-ggsn/lib/gtp-kernel.c: In function ‘gtp_kernel_tunnel_del’:
/home/pespin/dev/sysmocom/git/osmo-ggsn/lib/gtp-kernel.c:167:13: error: ‘ret’ may be used uninitialized [-Werror=maybe-uninitialize]
167 | int ret;
| ^~~
Fixes: b17fe7bf ("kernel-gtp: support IPv6 on inner layer")
Change-Id: I19067ebe561d4c067b9ace7f5b201e15af6b342e
diff --git a/lib/gtp-kernel.c b/lib/gtp-kernel.c
index 9bfb380..3ad8424 100644
--- a/lib/gtp-kernel.c
+++ b/lib/gtp-kernel.c
@@ -108,7 +108,7 @@
struct in46_addr ms[2];
struct in46_addr sgsn;
struct gtp_tunnel *t;
- int ret;
+ int ret = 0;
pdp_debug(__func__, devname, pdp);
@@ -164,7 +164,7 @@
int ms_addr_count;
struct in46_addr ms[2];
struct gtp_tunnel *t;
- int ret;
+ int ret = 0;
pdp_debug(__func__, devname, pdp);