From: Alexey Dobriyan <adobriyan@sw.ru>

On every open/close one struct seq_operations leaks.
Kudos to /proc/slab_allocators.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/proc/base.c            |    2 +-
 kernel/sched_debug.c      |    2 +-
 kernel/time/timer_list.c  |    2 +-
 kernel/time/timer_stats.c |    2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff -puN fs/proc/base.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats fs/proc/base.c
--- a/fs/proc/base.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats
+++ a/fs/proc/base.c
@@ -891,7 +891,7 @@ static const struct file_operations proc
 	.read		= seq_read,
 	.write		= sched_write,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 #endif
diff -puN kernel/sched_debug.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats kernel/sched_debug.c
--- a/kernel/sched_debug.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats
+++ a/kernel/sched_debug.c
@@ -200,7 +200,7 @@ static struct file_operations sched_debu
 	.open		= sched_debug_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 static int __init init_sched_debug_procfs(void)
diff -puN kernel/time/timer_list.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats kernel/time/timer_list.c
--- a/kernel/time/timer_list.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats
+++ a/kernel/time/timer_list.c
@@ -267,7 +267,7 @@ static struct file_operations timer_list
 	.open		= timer_list_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 static int __init init_timer_list_procfs(void)
diff -puN kernel/time/timer_stats.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats kernel/time/timer_stats.c
--- a/kernel/time/timer_stats.c~fix-leaks-on-proc-schedsched_debugtimer_listtimer_stats
+++ a/kernel/time/timer_stats.c
@@ -399,7 +399,7 @@ static struct file_operations tstats_fop
 	.read		= seq_read,
 	.write		= tstats_write,
 	.llseek		= seq_lseek,
-	.release	= seq_release,
+	.release	= single_release,
 };
 
 void __init init_timer_stats(void)
_