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freebsd/bus: Check return value of bus_accessor.

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This commit is contained in:
Christian Mauderer
2017-11-08 10:44:48 +01:00
committed by Sebastian Huber
parent ec29b2a0c2
commit e7f3260886
1 changed files with 23 additions and 0 deletions
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23
freebsd/sys/sys/bus.h
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@@ -781,6 +781,7 @@ DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \
/**
* Generic ivar accessor generation macros for bus drivers
*/
#ifndef __rtems__
#define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
\
static __inline type varp ## _get_ ## var(device_t dev) \
@@ -797,6 +798,28 @@ static __inline void varp ## _set_ ## var(device_t dev, type t) \
BUS_WRITE_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, v); \
}
#else /* __rtems__ */
#define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
\
static __inline type varp ## _get_ ## var(device_t dev) \
{ \
uintptr_t v; \
int err; \
err = BUS_READ_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, &v); \
BSD_ASSERT(err == 0); \
return ((type) v); \
} \
\
static __inline void varp ## _set_ ## var(device_t dev, type t) \
{ \
uintptr_t v = (uintptr_t) t; \
int err; \
BUS_WRITE_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, v); \
BSD_ASSERT(err == 0); \
}
#endif /* __rtems__ */
/**
* Shorthand macros, taking resource argument