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rcu: Use debugfs_remove_recursive() simplify code.

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Suggested by Josh Triplett.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: akpm@linux-foundation.org
Cc: mathieu.desnoyers@polymtl.ca
Cc: josht@linux.vnet.ibm.com
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
LKML-Reference: <12509746132173-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Paul E. McKenney 2009-08-22 13:56:50 -07:00 committed by Ingo Molnar
parent 65cf8f866f
commit 22f00b69f6
1 changed files with 15 additions and 30 deletions
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45
kernel/rcutree_trace.c
View file

@ -265,62 +265,47 @@ static struct file_operations rcu_pending_fops = {
};
static struct dentry *rcudir;
static struct dentry *datadir;
static struct dentry *datadir_csv;
static struct dentry *gpdir;
static struct dentry *hierdir;
static struct dentry *rcu_pendingdir;
static int __init rcuclassic_trace_init(void)
{
struct dentry *retval;
rcudir = debugfs_create_dir("rcu", NULL);
if (!rcudir)
goto out;
goto free_out;
datadir = debugfs_create_file("rcudata", 0444, rcudir,
retval = debugfs_create_file("rcudata", 0444, rcudir,
NULL, &rcudata_fops);
if (!datadir)
if (!retval)
goto free_out;
datadir_csv = debugfs_create_file("rcudata.csv", 0444, rcudir,
retval = debugfs_create_file("rcudata.csv", 0444, rcudir,
NULL, &rcudata_csv_fops);
if (!datadir_csv)
if (!retval)
goto free_out;
gpdir = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
if (!gpdir)
retval = debugfs_create_file("rcugp", 0444, rcudir, NULL, &rcugp_fops);
if (!retval)
goto free_out;
hierdir = debugfs_create_file("rcuhier", 0444, rcudir,
retval = debugfs_create_file("rcuhier", 0444, rcudir,
NULL, &rcuhier_fops);
if (!hierdir)
if (!retval)
goto free_out;
rcu_pendingdir = debugfs_create_file("rcu_pending", 0444, rcudir,
retval = debugfs_create_file("rcu_pending", 0444, rcudir,
NULL, &rcu_pending_fops);
if (!rcu_pendingdir)
if (!retval)
goto free_out;
return 0;
free_out:
if (datadir)
debugfs_remove(datadir);
if (datadir_csv)
debugfs_remove(datadir_csv);
if (gpdir)
debugfs_remove(gpdir);
debugfs_remove(rcudir);
out:
debugfs_remove_recursive(rcudir);
return 1;
}
static void __exit rcuclassic_trace_cleanup(void)
{
debugfs_remove(datadir);
debugfs_remove(datadir_csv);
debugfs_remove(gpdir);
debugfs_remove(hierdir);
debugfs_remove(rcu_pendingdir);
debugfs_remove(rcudir);
debugfs_remove_recursive(rcudir);
}