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Commit 067b722f authored by Ying Xue's avatar Ying Xue Committed by Linus Torvalds
Browse files

acct: eliminate compile warning 



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]

[akpm@linux-foundation.org: retain the local for code size improvements
Signed-off-by: default avatarYing Xue <ying.xue@windriver.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 27fb10ed

kernel/acct.c

+9 −5
Original line number Diff line number Diff line
@@ -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;



	/*
@@ -500,10 +499,15 @@ static void do_acct_process(struct bsd_acct_struct *acct) 
	ac.ac_gid16 = ac.ac_gid;

#endif

#if ACCT_VERSION == 3

	{

		struct pid_namespace *ns = acct->ns;



		ac.ac_pid = task_tgid_nr_ns(current, 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),

					     ns);

		rcu_read_unlock();

	}

#endif

	/*

	 * Get freeze protection. If the fs is frozen, just skip the write