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selftests/bpf: Fix compiler warnings reported in -O2 mode

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Fix a bunch of potentially unitialized variable usage warnings that are
reported by GCC in -O2 mode. Also silence overzealous stringop-truncation
class of warnings.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20231006175744.3136675-1-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko
2023-10-06 10:57:42 -07:00
committed by Daniel Borkmann
parent bc5bc309db
commit 925a01577e
15 changed files with 27 additions and 24 deletions
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8
tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
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@@ -359,7 +359,7 @@ out:
static void test_sockmap_skb_verdict_shutdown(void)
{
struct epoll_event ev, events[MAX_EVENTS];
int n, err, map, verdict, s, c1, p1;
int n, err, map, verdict, s, c1 = -1, p1 = -1;
struct test_sockmap_pass_prog *skel;
int epollfd;
int zero = 0;
@@ -414,9 +414,9 @@ out:
static void test_sockmap_skb_verdict_fionread(bool pass_prog)
{
int expected, zero = 0, sent, recvd, avail;
int err, map, verdict, s, c0, c1, p0, p1;
struct test_sockmap_pass_prog *pass;
struct test_sockmap_drop_prog *drop;
int err, map, verdict, s, c0 = -1, c1 = -1, p0 = -1, p1 = -1;
struct test_sockmap_pass_prog *pass = NULL;
struct test_sockmap_drop_prog *drop = NULL;
char buf[256] = "0123456789";
if (pass_prog) {