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Subject[PATCH][bpf-next] bpf: remove redundant variable old_flags
Date
From: Colin Ian King <colin.king@canonical.com>

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>
---
kernel/bpf/cgroup.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index e88abc0865d5..3db5a17fcfe8 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -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 */
--
2.14.1
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