diff options
Diffstat (limited to 'include/linux/container_of.h')
| -rw-r--r-- | include/linux/container_of.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/container_of.h b/include/linux/container_of.h index 1d898f9158b4..1f6ebf27d962 100644 --- a/include/linux/container_of.h +++ b/include/linux/container_of.h @@ -3,7 +3,7 @@ #define _LINUX_CONTAINER_OF_H #include <linux/build_bug.h> -#include <linux/err.h> +#include <linux/stddef.h> #define typeof_member(T, m) typeof(((T*)0)->m) @@ -14,6 +14,7 @@ * @member: the name of the member within the struct. * * WARNING: any const qualifier of @ptr is lost. + * Do not use container_of() in new code. */ #define container_of(ptr, type, member) ({ \ void *__mptr = (void *)(ptr); \ @@ -28,6 +29,8 @@ * @ptr: the pointer to the member * @type: the type of the container struct this is embedded in. * @member: the name of the member within the struct. + * + * Always prefer container_of_const() instead of container_of() in new code. */ #define container_of_const(ptr, type, member) \ _Generic(ptr, \ |