struct pid_namespace *ns is used only when ACCT_VERSION is 3.
kernel/acct.c:475:24: warning: unused variable 'ns' [-Wunused-variable]
Signed-off-by: Luis Henriques <luis.henriq...@canonical.com>
---
kernel/acct.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/acct.c b/kernel/acct.c
index b4c667d22e79..5f277f5c5e29 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -472,7 +472,9 @@ static void do_acct_process(struct bsd_acct_struct *acct)
acct_t ac;
unsigned long flim;
const struct cred *orig_cred;
+#if ACCT_VERSION == 3
struct pid_namespace *ns = acct->ns;
+#endif
struct file *file = acct->file;
/*
--
2.1.0
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