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>

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 3c77d5a..19489b0 100644 (file)
--- 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 42970f7..0eca442 100644 (file)
--- 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 e5edc3a..fdb2e03 100644 (file)
--- 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 8ed62fd..3c38fb5 100644 (file)
--- 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)