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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: 4fcac46c7e ("libbpf: only add BPF_F_MMAPABLE flag for data maps with global vars")
Signed-off-by: Ludovic L'Hours <ludovic.lhours@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230108182018.24433-1-ludovic.lhours@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Ludovic L'Hours 2023-01-08 19:20:18 +01:00 committed by Martin KaFai Lau
parent 75514e4c66
commit 6920b08661
1 changed files with 1 additions and 1 deletions
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2
tools/lib/bpf/libbpf.c
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@ -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;