diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index f909f4e2f908..edc18be4fac4 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -2475,15 +2475,14 @@ static struct smp_text_poke_array { static DEFINE_PER_CPU(atomic_t, text_poke_array_refs); -static __always_inline -struct smp_text_poke_array *try_get_text_poke_array(void) +static __always_inline bool try_get_text_poke_array(void) { atomic_t *refs = this_cpu_ptr(&text_poke_array_refs); if (!raw_atomic_inc_not_zero(refs)) - return NULL; + return false; - return &text_poke_array; + return true; } static __always_inline void put_text_poke_array(void) @@ -2530,9 +2529,9 @@ noinstr int smp_text_poke_int3_handler(struct pt_regs *regs) */ smp_rmb(); - desc = try_get_text_poke_array(); - if (!desc) + if (!try_get_text_poke_array()) return 0; + desc = &text_poke_array; WARN_ON_ONCE(desc->vec != text_poke_array.vec);