[PATCH bpf-next 1/1] bpf: Silence unused-but-set-variable warning in bpf_for_each_reg_in_vstate_mask
From: Amery Hung <hidden>
Date: 2026-06-02 17:52:07
Also in:
bpf
Subsystem:
bpf [core], bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
The macro requires callers to pass a stack variable, but not all callbacks use it. Add (void)__stack to suppress the clang W=1 warning. Signed-off-by: Amery Hung <redacted> --- include/linux/bpf_verifier.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 3dd2d21230af..c248ff41f42a 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h@@ -582,6 +582,7 @@ bpf_get_spilled_stack_arg(int slot, struct bpf_func_state *frame) (void)(__expr); \ } \ } \ + (void)__stack; \ }) /* Invoke __expr over regsiters in __vst, setting __state and __reg */
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2.53.0-Meta