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author | Andrii Nakryiko <andrii@kernel.org> | 2023-03-08 21:40:14 -0800 |
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committer | Alexei Starovoitov <ast@kernel.org> | 2023-03-10 08:14:08 -0800 |
commit | c8ed66859397237c649998c58a68a86b8ea5f417 (patch) | |
tree | 9c13a073b663a889dcc205bceebbbbf49c0493fd /tools/testing/selftests/bpf/progs/rbtree_fail.c | |
parent | 713461b895ef958ef444b00cc2d979f3ca3a82e2 (diff) | |
download | lwn-c8ed66859397237c649998c58a68a86b8ea5f417.tar.gz lwn-c8ed66859397237c649998c58a68a86b8ea5f417.zip |
selftests/bpf: fix lots of silly mistakes pointed out by compiler
Once we enable -Wall for BPF sources, compiler will complain about lots
of unused variables, variables that are set but never read, etc.
Fix all these issues first before enabling -Wall in Makefile.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230309054015.4068562-4-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/rbtree_fail.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/rbtree_fail.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/progs/rbtree_fail.c b/tools/testing/selftests/bpf/progs/rbtree_fail.c index 1ced900f3fce..46d7d18a218f 100644 --- a/tools/testing/selftests/bpf/progs/rbtree_fail.c +++ b/tools/testing/selftests/bpf/progs/rbtree_fail.c @@ -105,7 +105,7 @@ long rbtree_api_remove_unadded_node(void *ctx) } SEC("?tc") -__failure __msg("Unreleased reference id=2 alloc_insn=11") +__failure __msg("Unreleased reference id=2 alloc_insn=10") long rbtree_api_remove_no_drop(void *ctx) { struct bpf_rb_node *res; @@ -119,6 +119,7 @@ long rbtree_api_remove_no_drop(void *ctx) res = bpf_rbtree_remove(&groot, res); n = container_of(res, struct node_data, node); + __sink(n); bpf_spin_unlock(&glock); /* bpf_obj_drop(n) is missing here */ |