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bpf: remove redundant variable old_flags

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Variable old_flags is being assigned but is never read; it is redundant
and can be removed.

Cleans up clang warning: Value stored to 'old_flags' is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Colin Ian King 2017-10-11 11:56:23 +01:00 committed by David S. Miller
parent df24cd4fda
commit 952925dec0
1 changed files with 0 additions and 2 deletions
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2
kernel/bpf/cgroup.c
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@ -192,7 +192,6 @@ int __cgroup_bpf_attach(struct cgroup *cgrp, struct bpf_prog *prog,
struct cgroup_subsys_state *css;
struct bpf_prog_list *pl;
bool pl_was_allocated;
u32 old_flags;
int err;
if ((flags & BPF_F_ALLOW_OVERRIDE) && (flags & BPF_F_ALLOW_MULTI))
@ -239,7 +238,6 @@ int __cgroup_bpf_attach(struct cgroup *cgrp, struct bpf_prog *prog,
pl->prog = prog;
}
old_flags = cgrp->bpf.flags[type];
cgrp->bpf.flags[type] = flags;
/* allocate and recompute effective prog arrays */