[PATCH bpf-next v1 1/1] selftests/bpf: Fix compiler warnings in task_local_data.h

[Amery Hung <ameryhung@gmail.com>]

Fix compiler warnings about unused parameter, narrowing non-constant
into a smaller type and comparison between integers of different size.

Signed-off-by: Amery Hung <ameryhung@gmail.com>
---
 tools/testing/selftests/bpf/prog_tests/task_local_data.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/task_local_data.h b/tools/testing/selftests/bpf/prog_tests/task_local_data.h
index 95847088961a..7819f318b2fb 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_local_data.h
+++ b/tools/testing/selftests/bpf/prog_tests/task_local_data.h
@@ -120,6 +120,7 @@ static void tld_free(void);
 
 static void __tld_thread_exit_handler(void *unused)
 {
+	(void)unused;
 	tld_free();
 }
 #endif
@@ -222,10 +223,10 @@ static tld_key_t __tld_create_key(const char *name, size_t size, bool dyn_data)
 	if (!TLD_READ_ONCE(tld_meta_p)) {
 		err = __tld_init_meta_p();
 		if (err)
-			return (tld_key_t){err};
+			return (tld_key_t){(__s16)err};
 	}
 
-	for (i = 0; i < TLD_MAX_DATA_CNT; i++) {
+	for (i = 0; i < (int)TLD_MAX_DATA_CNT; i++) {
 retry:
 		cnt = atomic_load(&tld_meta_p->cnt);
 		if (i < cnt) {
-- 
2.52.0