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Clear out warnings about unused variables

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Seen while compile eBPF using `make CC=clang`.

```
opensnitch.c:330:6: warning: unused variable 'zero_key' [-Wunused-variable]
  330 |         u32 zero_key = 0;
      |             ^~~~~~~~
opensnitch.c:372:6: warning: unused variable 'zero_key' [-Wunused-variable]
  372 |         u32 zero_key = 0;
```

Signed-off-by: Ariel Otilibili <otilibil@eurecom.fr>
This commit is contained in:
Ariel Otilibili 2024-12-03 20:57:45 +01:00
parent dd7271429e
commit af7076663a
1 changed files with 0 additions and 2 deletions
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2
ebpf_prog/opensnitch.c
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@ -327,7 +327,6 @@ int kprobe__udpv6_sendmsg(struct pt_regs *ctx)
udpv6_key.saddr = sock.saddr; udpv6_key.saddr = sock.saddr;
#endif #endif
u32 zero_key = 0;
struct udpv6_value_t *lookedupValue = bpf_map_lookup_elem(&udpv6Map, &udpv6_key); struct udpv6_value_t *lookedupValue = bpf_map_lookup_elem(&udpv6Map, &udpv6_key);
u64 pid = bpf_get_current_pid_tgid() >> 32; u64 pid = bpf_get_current_pid_tgid() >> 32;
if ( lookedupValue == NULL || lookedupValue->pid != pid) { if ( lookedupValue == NULL || lookedupValue->pid != pid) {
@ -369,7 +368,6 @@ int kprobe__iptunnel_xmit(struct pt_regs *ctx)
struct udp_key_t udp_key; struct udp_key_t udp_key;
struct udp_value_t udp_value; struct udp_value_t udp_value;
u32 zero_key = 0;
__builtin_memset(&udp_key, 0, sizeof(udp_key)); __builtin_memset(&udp_key, 0, sizeof(udp_key));
__builtin_memset(&udp_value, 0, sizeof(udp_value)); __builtin_memset(&udp_value, 0, sizeof(udp_value));