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authorDaniel Borkmann <daniel@iogearbox.net>2015-10-29 14:58:07 +0100
committerDavid S. Miller <davem@davemloft.net>2015-11-02 22:48:39 -0500
commitc210129760a010b555372ef74f4e1a46d4eb8a22 (patch)
tree89e51ef793586fa8a752674d59aea233f1a68283 /include/linux
parentaa79781b65b9cf79807ade78f2703f5e9402c336 (diff)
bpf: align and clean bpf_{map,prog}_get helpers
Add a bpf_map_get() function that we're going to use later on and align/clean the remaining helpers a bit so that we have them a bit more consistent: - __bpf_map_get() and __bpf_prog_get() that both work on the fd struct, check whether the descriptor is eBPF and return the pointer to the map/prog stored in the private data. Also, we can return f.file->private_data directly, the function signature is enough of a documentation already. - bpf_map_get() and bpf_prog_get() that both work on u32 user fd, call their respective __bpf_map_get()/__bpf_prog_get() variants, and take a reference. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/bpf.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 75718fa28260..0b5fb6acef64 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -167,7 +167,7 @@ struct bpf_prog *bpf_prog_get(u32 ufd);
void bpf_prog_put(struct bpf_prog *prog);
void bpf_prog_put_rcu(struct bpf_prog *prog);
-struct bpf_map *bpf_map_get(struct fd f);
+struct bpf_map *__bpf_map_get(struct fd f);
void bpf_map_put(struct bpf_map *map);
extern int sysctl_unprivileged_bpf_disabled;