lkml.org 
[lkml]   [2021]   [Nov]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 09/17] linux/offsetof.h: Implement offsetof() in terms of memberof()
    Date
    Use memberof() instead of explicitly dereferencing a null pointer.

    Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
    ---
    include/linux/offsetof.h | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/include/linux/offsetof.h b/include/linux/offsetof.h
    index d0e2f1c34aae..809aed37ad29 100644
    --- a/include/linux/offsetof.h
    +++ b/include/linux/offsetof.h
    @@ -3,13 +3,14 @@
    #define _LINUX_OFFSETOF_H

    #include <linux/compiler_types.h>
    +#include <linux/memberof.h>


    #undef offsetof
    #ifdef __compiler_offsetof
    #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
    #else
    -#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
    +#define offsetof(TYPE, MEMBER) ((size_t)&memberof(TYPE, MEMBER))
    #endif


    --
    2.33.1
    \
     
     \ /
      Last update: 2021-11-19 12:39    [W:4.172 / U:0.028 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site