From: Andrii Nakryiko <andriin@fb.com>
Date: Fri, 11 Oct 2019 10:20:53 -0700
Subject: bpf: Fix cast to pointer from integer of different size warning
Patch-mainline: v5.5-rc1
Git-commit: 2dedd7d2165565bafa89718eaadfc5d1a7865f66
References: bsc#1154353
Fix "warning: cast to pointer from integer of different size" when
casting u64 addr to void *.
Fixes: a23740ec43ba ("bpf: Track contents of read-only maps as scalars")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191011172053.2980619-1-andriin@fb.com
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
kernel/bpf/verifier.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -2753,7 +2753,7 @@ static int bpf_map_direct_read(struct bp
err = map->ops->map_direct_value_addr(map, &addr, off);
if (err)
return err;
- ptr = (void *)addr + off;
+ ptr = (void *)(long)addr + off;
switch (size) {
case sizeof(u8):