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[PATCH] catch valid mem range at onlining memory
[safe/jmp/linux-2.6]
/
fs
/
ioprio.c
diff --git
a/fs/ioprio.c
b/fs/ioprio.c
index
4bf1c63
..
7fa76ed
100644
(file)
--- a/
fs/ioprio.c
+++ b/
fs/ioprio.c
@@
-22,16
+22,23
@@
#include <linux/kernel.h>
#include <linux/ioprio.h>
#include <linux/blkdev.h>
#include <linux/kernel.h>
#include <linux/ioprio.h>
#include <linux/blkdev.h>
+#include <linux/capability.h>
#include <linux/syscalls.h>
#include <linux/syscalls.h>
+#include <linux/security.h>
static int set_task_ioprio(struct task_struct *task, int ioprio)
{
static int set_task_ioprio(struct task_struct *task, int ioprio)
{
+ int err;
struct io_context *ioc;
if (task->uid != current->euid &&
task->uid != current->uid && !capable(CAP_SYS_NICE))
return -EPERM;
struct io_context *ioc;
if (task->uid != current->euid &&
task->uid != current->uid && !capable(CAP_SYS_NICE))
return -EPERM;
+ err = security_task_setioprio(task, ioprio);
+ if (err)
+ return err;
+
task_lock(task);
task->ioprio = ioprio;
task_lock(task);
task->ioprio = ioprio;