diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index 7e7109dbc3f5b6..4b8dcd3a0d931d 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -200,9 +200,9 @@ typedef struct seqcount_##lockname { \ } seqcount_##lockname##_t; \ \ static __always_inline seqcount_t * \ -__seqprop_##lockname##_ptr(seqcount_##lockname##_t *s) \ +__seqprop_##lockname##_ptr(const seqcount_##lockname##_t *s) \ { \ - return &s->seqcount; \ + return (void *)&s->seqcount; /* drop const */ \ } \ \ static __always_inline unsigned \ @@ -247,9 +247,9 @@ __seqprop_##lockname##_assert(const seqcount_##lockname##_t *s) \ * __seqprop() for seqcount_t */ -static inline seqcount_t *__seqprop_ptr(seqcount_t *s) +static inline seqcount_t *__seqprop_ptr(const seqcount_t *s) { - return s; + return (void *)s; /* drop const */ } static inline unsigned __seqprop_sequence(const seqcount_t *s) @@ -292,19 +292,19 @@ SEQCOUNT_LOCKNAME(mutex, struct mutex, true, mutex) #define SEQCNT_WW_MUTEX_ZERO(name, lock) SEQCOUNT_LOCKNAME_ZERO(name, lock) #define __seqprop_case(s, lockname, prop) \ - seqcount_##lockname##_t: __seqprop_##lockname##_##prop((void *)(s)) + seqcount_##lockname##_t: __seqprop_##lockname##_##prop #define __seqprop(s, prop) _Generic(*(s), \ - seqcount_t: __seqprop_##prop((void *)(s)), \ + seqcount_t: __seqprop_##prop, \ __seqprop_case((s), raw_spinlock, prop), \ __seqprop_case((s), spinlock, prop), \ __seqprop_case((s), rwlock, prop), \ __seqprop_case((s), mutex, prop)) -#define seqprop_ptr(s) __seqprop(s, ptr) -#define seqprop_sequence(s) __seqprop(s, sequence) -#define seqprop_preemptible(s) __seqprop(s, preemptible) -#define seqprop_assert(s) __seqprop(s, assert) +#define seqprop_ptr(s) __seqprop(s, ptr)(s) +#define seqprop_sequence(s) __seqprop(s, sequence)(s) +#define seqprop_preemptible(s) __seqprop(s, preemptible)(s) +#define seqprop_assert(s) __seqprop(s, assert)(s) /** * __read_seqcount_begin() - begin a seqcount_t read section w/o barrier