switch signalfd4() to fget_light/fput_light

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
git-mirror · May 30, 2012 · 20ba5d7 · 20ba5d7
1 parent 545ec2c
commit 20ba5d7
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/fs/signalfd.c b/fs/signalfd.c
@@ -269,20 +269,21 @@ 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);
 		ctx->sigmask = sigmask;
 		spin_unlock_irq(&current->sighand->siglock);
 
 		wake_up(&current->sighand->signalfd_wqh);
-		fput(file);
+		fput_light(file, fput_needed);
 	}
 
 	return ufd;