Fix 'flush_old_exec()/setup_new_exec()' split

[firefly-linux-kernel-4.4.55.git] / fs / fcntl.c

diff --git a/fs/fcntl.c b/fs/fcntl.c
index 97e01dc0d95fc4fe8464d729ce94d32b888b567d..5ef953e6f908ea2d6f68061310a106fd0179d15a 100644 (file)
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -199,7 +199,9 @@ static int setfl(int fd, struct file * filp, unsigned long arg)
 static void f_modown(struct file *filp, struct pid *pid, enum pid_type type,
                      int force)
 {
-       write_lock_irq(&filp->f_owner.lock);
+       unsigned long flags;
+
+       write_lock_irqsave(&filp->f_owner.lock, flags);
        if (force || !filp->f_owner.pid) {
                put_pid(filp->f_owner.pid);
                filp->f_owner.pid = get_pid(pid);
@@ -211,7 +213,7 @@ static void f_modown(struct file *filp, struct pid *pid, enum pid_type type,
                        filp->f_owner.euid = cred->euid;
                }
        }
-       write_unlock_irq(&filp->f_owner.lock);
+       write_unlock_irqrestore(&filp->f_owner.lock, flags);
 }
 
 int __f_setown(struct file *filp, struct pid *pid, enum pid_type type,