rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-10-15 20:21:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

freebsd/bus: Check return value of bus_accessor.

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

23
freebsd/sys/sys/bus.h
View File

@@ -781,6 +781,7 @@ DECLARE_MODULE(name##_##busname, name##_##busname##_mod, \
/** /**
* Generic ivar accessor generation macros for bus drivers * Generic ivar accessor generation macros for bus drivers
*/ */
#ifndef __rtems__
#define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \ #define __BUS_ACCESSOR(varp, var, ivarp, ivar, type) \
\ \
static __inline type varp ## _get_ ## var(device_t dev) \ 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, \ BUS_WRITE_IVAR(device_get_parent(dev), dev, \
ivarp ## _IVAR_ ## ivar, v); \ 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 * Shorthand macros, taking resource argument