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tools lib bpf: Make bpf_program__get_private() use IS_ERR()

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For consistency with bpf_map__priv() and elsewhere.

Acked-by: Wang Nan <wangnan0@huawei.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/n/tip-x17nk5mrazkf45z0l0ahlmo8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2016-06-03 12:36:39 -03:00
parent a7fe0450b0
commit be834ffbd1
3 changed files with 15 additions and 20 deletions
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5
tools/lib/bpf/libbpf.c
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@@ -1230,10 +1230,9 @@ int bpf_program__set_private(struct bpf_program *prog,
return 0;
}
int bpf_program__get_private(struct bpf_program *prog, void **ppriv)
void *bpf_program__priv(struct bpf_program *prog)
{
*ppriv = prog->priv;
return 0;
return prog ? prog->priv : ERR_PTR(-EINVAL);
}
const char *bpf_program__title(struct bpf_program *prog, bool needs_copy)

3
tools/lib/bpf/libbpf.h
View File

@@ -81,8 +81,7 @@ typedef void (*bpf_program_clear_priv_t)(struct bpf_program *,
int bpf_program__set_private(struct bpf_program *prog, void *priv,
bpf_program_clear_priv_t clear_priv);
int bpf_program__get_private(struct bpf_program *prog,
void **ppriv);
void *bpf_program__priv(struct bpf_program *prog);
const char *bpf_program__title(struct bpf_program *prog, bool needs_copy);