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| author | Andrii Nakryiko <andriin@fb.com> | 2020-08-19 04:36:06 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-08-19 04:38:25 +0300 |
| commit | 85367030a6c7ef3373347cf816c698995074f6f0 (patch) | |
| tree | b0f4b19f18ec9d8d64893a4b7a3e4790851185e2 /tools/lib/bpf/hashmap.c | |
| parent | 7084566a236fbc98beb11430d8d67dd08b2ac151 (diff) | |
| download | linux-85367030a6c7ef3373347cf816c698995074f6f0.tar.xz | |
libbpf: Centralize poisoning and poison reallocarray()
Most of libbpf source files already include libbpf_internal.h, so it's a good
place to centralize identifier poisoning. So move kernel integer type
poisoning there. And also add reallocarray to a poison list to prevent
accidental use of it. libbpf_reallocarray() should be used universally
instead.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200819013607.3607269-4-andriin@fb.com
Diffstat (limited to 'tools/lib/bpf/hashmap.c')
| -rw-r--r-- | tools/lib/bpf/hashmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/lib/bpf/hashmap.c b/tools/lib/bpf/hashmap.c index a405dad068f5..3c20b126d60d 100644 --- a/tools/lib/bpf/hashmap.c +++ b/tools/lib/bpf/hashmap.c @@ -15,6 +15,9 @@ /* make sure libbpf doesn't use kernel-only integer typedefs */ #pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64 +/* prevent accidental re-addition of reallocarray() */ +#pragma GCC poison reallocarray + /* start with 4 buckets */ #define HASHMAP_MIN_CAP_BITS 2 |