diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/init.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/linux/init.h b/include/linux/init.h index b45b95c5e640..42300a7371af 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -177,13 +177,23 @@ typedef void (*__cleanup_module_func_t)(void); #define __devinitdata #define __devexit #define __devexitdata -#define __devexit_p(x) &(x) #else #define __devinit __init #define __devinitdata __initdata #define __devexit __exit #define __devexitdata __exitdata -#define __devexit_p(x) 0 +#endif + +/* Functions marked as __devexit may be discarded at kernel link time, depending + on config options. Newer versions of binutils detect references from + retained sections to discarded sections and flag an error. Pointers to + __devexit functions must use __devexit_p(function_name), the wrapper will + insert either the function_name or NULL, depending on the config options. + */ +#if defined(MODULE) || defined(CONFIG_HOTPLUG) +#define __devexit_p(x) x +#else +#define __devexit_p(x) NULL #endif #endif /* _LINUX_INIT_H */ |