[PATCH] acct: fix build warning when ACCT_VERSION != 3

[Luis Henriques]

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.henriques@xxxxxxxxxxxxx>
---
 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/