Fix leaks on /proc/{*/sched,sched_debug,timer_list,timer_stats}

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>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 4 insertions, 4 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3c77d5a64e7c..19489b0d5554 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -927,7 +927,7 @@ static const struct file_operations proc_pid_sched_operations = {
         .read           = seq_read,
         .write          = sched_write,
         .llseek         = seq_lseek,
-        .release        = seq_release,
+        .release        = single_release,
 };
 
 #endif
diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c
index 42970f723a97..0eca442b7792 100644
--- a/kernel/sched_debug.c
+++ b/kernel/sched_debug.c
@@ -200,7 +200,7 @@ static struct file_operations sched_debug_fops = {
         .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 --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index e5edc3a22a08..fdb2e03d4fe0 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -267,7 +267,7 @@ static struct file_operations timer_list_fops = {
         .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 --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
index 8ed62fda16c6..3c38fb5eae1b 100644
--- a/kernel/time/timer_stats.c
+++ b/kernel/time/timer_stats.c
@@ -399,7 +399,7 @@ static struct file_operations tstats_fops = {
         .read           = seq_read,
         .write          = tstats_write,
         .llseek         = seq_lseek,
-        .release        = seq_release,
+        .release        = single_release,
 };
 
 void __init init_timer_stats(void)