From 68f6ae368c616d341b60e5cf02eccc8aeea41cd8 Mon Sep 17 00:00:00 2001 From: jhibbits Date: Tue, 20 Mar 2018 02:01:30 +0000 Subject: [PATCH] Cast through uintptr_t to narrow the buf domain pointer on 32-bit archs arg2 is an intmax_t, which on 32-bit architectures is 64 bits, wider than a pointer. When &bdomain[i] is added to arg2 it widens from uintptr_t to intmax_t, then gcc whines when it gets cast to a pointer. Casting through uintptr_t silences this warning. --- sys/kern/vfs_bio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 61adfdd60213..092f4913abae 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -435,7 +435,7 @@ sysctl_bufdomain_int(SYSCTL_HANDLER_ARGS) return (error); *(int *)arg1 = value; for (i = 0; i < buf_domains; i++) - *(int *)(((uintptr_t)&bdomain[i]) + arg2) = + *(int *)(uintptr_t)(((uintptr_t)&bdomain[i]) + arg2) = value / buf_domains; return (error); @@ -454,7 +454,7 @@ sysctl_bufdomain_long(SYSCTL_HANDLER_ARGS) return (error); *(long *)arg1 = value; for (i = 0; i < buf_domains; i++) - *(long *)(((uintptr_t)&bdomain[i]) + arg2) = + *(long *)(uintptr_t)(((uintptr_t)&bdomain[i]) + arg2) = value / buf_domains; return (error);