From: Jonathan Corbet <corbet@lwn.net>
Date: Thu, 19 Jun 2008 22:07:51 +0000 (-0600)
Subject: Bluetooth VHCI: fasync BKL pushdown
X-Git-Tag: v2.6.27-rc1~1103^2~8
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbfb2df7e9fbd6e5ab8cd9b94b27767fe311fa0d;p=linux-2.6

Bluetooth VHCI: fasync BKL pushdown

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---

diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 7734bc9af3..d97700aa54 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -318,18 +318,21 @@ static int vhci_release(struct inode *inode, struct file *file)
 static int vhci_fasync(int fd, struct file *file, int on)
 {
 	struct vhci_data *data = file->private_data;
-	int err;
+	int err = 0;
 
+	lock_kernel();
 	err = fasync_helper(fd, file, on, &data->fasync);
 	if (err < 0)
-		return err;
+		goto out;
 
 	if (on)
 		data->flags |= VHCI_FASYNC;
 	else
 		data->flags &= ~VHCI_FASYNC;
 
-	return 0;
+out:
+	unlock_kernel();
+	return err;
 }
 
 static const struct file_operations vhci_fops = {