From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: lib/test_kasan_module.c: suppress unused var warning Local `unused' is intentionally unused - it is there to suppress __must_check warnings. Reported-by: kernel test robot <lkp@xxxxxxxxx> Link: https://lkml.kernel.org/r/202104050216.HflRxfJm-lkp@xxxxxxxxx Cc: Marco Elver <elver@xxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/test_kasan_module.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/test_kasan_module.c~lib-test_kasan_modulec-suppress-unused-var-warning +++ a/lib/test_kasan_module.c @@ -22,7 +22,7 @@ static noinline void __init copy_user_te char *kmem; char __user *usermem; size_t size = 10; - int unused; + int __maybe_unused unused; kmem = kmalloc(size, GFP_KERNEL); if (!kmem) _