signals: move cred_guard_mutex from task_struct to signal_struct

[GitHub/moto-9609/android_kernel_motorola_exynos9610.git] / fs / proc / base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9b094c1c846542160ff6c265171467d5ef0050ff..f3d02ca461ecfcc341eb783fd15da8df486fde11 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -226,7 +226,7 @@ struct mm_struct *mm_for_maps(struct task_struct *task)
 {
        struct mm_struct *mm;
 
-       if (mutex_lock_killable(&task->cred_guard_mutex))
+       if (mutex_lock_killable(&task->signal->cred_guard_mutex))
                return NULL;
 
        mm = get_task_mm(task);
@@ -235,7 +235,7 @@ struct mm_struct *mm_for_maps(struct task_struct *task)
                mmput(mm);
                mm = NULL;
        }
-       mutex_unlock(&task->cred_guard_mutex);
+       mutex_unlock(&task->signal->cred_guard_mutex);
 
        return mm;
 }
@@ -2354,14 +2354,14 @@ static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,
                goto out_free;
 
        /* Guard against adverse ptrace interaction */
-       length = mutex_lock_interruptible(&task->cred_guard_mutex);
+       length = mutex_lock_interruptible(&task->signal->cred_guard_mutex);
        if (length < 0)
                goto out_free;
 
        length = security_setprocattr(task,
                                      (char*)file->f_path.dentry->d_name.name,
                                      (void*)page, count);
-       mutex_unlock(&task->cred_guard_mutex);
+       mutex_unlock(&task->signal->cred_guard_mutex);
 out_free:
        free_page((unsigned long) page);
 out: