From 6920b08661e3ad829206078b5c9879b24aea8dfc Mon Sep 17 00:00:00 2001 From: Ludovic L'Hours Date: Sun, 8 Jan 2023 19:20:18 +0100 Subject: libbpf: Fix map creation flags sanitization As BPF_F_MMAPABLE flag is now conditionnaly set (by map_is_mmapable), it should not be toggled but disabled if not supported by kernel. Fixes: 4fcac46c7e10 ("libbpf: only add BPF_F_MMAPABLE flag for data maps with global vars") Signed-off-by: Ludovic L'Hours Acked-by: Jiri Olsa Link: https://lore.kernel.org/r/20230108182018.24433-1-ludovic.lhours@gmail.com Signed-off-by: Martin KaFai Lau --- tools/lib/bpf/libbpf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index a5c67a3c93c5..f8dfee32c2bc 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -7355,7 +7355,7 @@ static int bpf_object__sanitize_maps(struct bpf_object *obj) if (!bpf_map__is_internal(m)) continue; if (!kernel_supports(obj, FEAT_ARRAY_MMAP)) - m->def.map_flags ^= BPF_F_MMAPABLE; + m->def.map_flags &= ~BPF_F_MMAPABLE; } return 0; -- cgit v1.2.3