switch signalfd4() to fget_light/fput_light (20ba5d73) · Commits · e / devices / android_kernel_teracube_2e

fs/signalfd.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -269,12 +269,13 @@ SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
		if (ufd < 0)
		kfree(ctx);
		} else {
		struct file *file = fget(ufd);
		int fput_needed;
		struct file *file = fget_light(ufd, &fput_needed);
		if (!file)
		return -EBADF;
		ctx = file->private_data;
		if (file->f_op != &signalfd_fops) {
		fput(file);
		fput_light(file, fput_needed);
		return -EINVAL;
		}
		spin_lock_irq(&current->sighand->siglock);
		@@ -282,7 +283,7 @@ SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
		spin_unlock_irq(&current->sighand->siglock);

		wake_up(&current->sighand->signalfd_wqh);
		fput(file);
		fput_light(file, fput_needed);
		}

		return ufd;