commit | 352d20d611414715353ee65fc206ee57ab1a6984 | [log] [tgz] |
---|---|---|
author | Peng Sun <sironhide0null@gmail.com> | Wed Feb 27 22:36:25 2019 +0800 |
committer | Daniel Borkmann <daniel@iogearbox.net> | Fri Mar 01 16:04:29 2019 +0100 |
tree | c856f1153a8c8551c974aa908088bdd1fe6499ac | |
parent | 781e62823cb81b972dc8652c1827205cda2ac9ac [diff] |
bpf: drop refcount if bpf_map_new_fd() fails in map_create() In bpf/syscall.c, map_create() first set map->usercnt to 1, a file descriptor is supposed to return to userspace. When bpf_map_new_fd() fails, drop the refcount. Fixes: bd5f5f4ecb78 ("bpf: Add BPF_MAP_GET_FD_BY_ID") Signed-off-by: Peng Sun <sironhide0null@gmail.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>