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Subject[PATCH] acct: eliminate compile warning
Date
If ACCT_VERSION is not defined to 3, below warning appears:
CC kernel/acct.o
kernel/acct.c: In function ‘do_acct_process’:
kernel/acct.c:475:24: warning: unused variable ‘ns’ [-Wunused-variable]

Signed-off-by: Ying Xue <ying.xue@windriver.com>
---
kernel/acct.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/acct.c b/kernel/acct.c
index b4c667d..bb52701 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -472,7 +472,6 @@ static void do_acct_process(struct bsd_acct_struct *acct)
acct_t ac;
unsigned long flim;
const struct cred *orig_cred;
- struct pid_namespace *ns = acct->ns;
struct file *file = acct->file;

/*
@@ -500,9 +499,10 @@ static void do_acct_process(struct bsd_acct_struct *acct)
ac.ac_gid16 = ac.ac_gid;
#endif
#if ACCT_VERSION == 3
- ac.ac_pid = task_tgid_nr_ns(current, ns);
+ ac.ac_pid = task_tgid_nr_ns(current, acct->ns);
rcu_read_lock();
- ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent), ns);
+ ac.ac_ppid = task_tgid_nr_ns(rcu_dereference(current->real_parent),
+ acct->ns);
rcu_read_unlock();
#endif
/*
--
1.7.9.5
--
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