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sys/bus.h: silence warnings about write-only variables

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in the generated functions for bus accessors.  These are the most
noising instances for drivers when non-debug kernel is compiled with
clang 13.

Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D32578
This commit is contained in:
Konstantin Belousov 2021-10-20 16:23:30 +03:00
parent 2bd6d910b2
commit 2ff7c2cc4f
1 changed files with 2 additions and 2 deletions
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4
sys/sys/bus.h
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@ -805,7 +805,7 @@ DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \
static __inline type varp ## _get_ ## var(device_t dev) \
{ \
uintptr_t v; \
int e; \
int e __diagused; \
e = BUS_READ_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, &v); \
KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \
@ -817,7 +817,7 @@ static __inline type varp ## _get_ ## var(device_t dev) \
static __inline void varp ## _set_ ## var(device_t dev, type t) \
{ \
uintptr_t v = (uintptr_t) t; \
int e; \
int e __diagused; \
e = BUS_WRITE_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, v); \
KASSERT(e == 0, ("%s failed for %s on bus %s, error = %d", \