Include <stddef.h> (guarded by #ifndef __KERNEL__) to fix the following linux/sysctl.h userspace compilation errors:
/usr/include/linux/sysctl.h:38:2: error: unknown type name 'size_t' size_t *oldlenp; /usr/include/linux/sysctl.h:40:2: error: unknown type name 'size_t' size_t newlen; This also fixes userspace compilation of uapi headers that include linux/sysctl.h, e.g. linux/netfilter.h. Signed-off-by: Dmitry V. Levin <[email protected]> --- include/uapi/linux/sysctl.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h index d2b1215..c6d18aa 100644 --- a/include/uapi/linux/sysctl.h +++ b/include/uapi/linux/sysctl.h @@ -26,6 +26,10 @@ #include <linux/types.h> #include <linux/compiler.h> +#ifndef __KERNEL__ +#include <stddef.h> /* For size_t. */ +#endif + #define CTL_MAXNAME 10 /* how many path components do we allow in a call to sysctl? In other words, what is the largest acceptable value for the nlen -- ldv
