From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Fri, 23 May 2008 10:57:41 +0000 (+0100)
Subject: ieee1394: raw1394: Push the BKL down into the driver ioctls
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3aea50a379ed152bcb86b24b65a4cb59be82446f;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ieee1394: raw1394: Push the BKL down into the driver ioctls

Actually in this case wrap the function for now.

Signed-off-by: Alan Cox <alan@redhat.com>

Added raw1394_compat_ioctl hunk.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
---

diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index ec2a0adbedb2..96f2847b0405 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -2549,8 +2549,8 @@ static int raw1394_mmap(struct file *file, struct vm_area_struct *vma)
 }
 
 /* ioctl is only used for rawiso operations */
-static int raw1394_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg)
+static long do_raw1394_ioctl(struct file *file, unsigned int cmd,
+							unsigned long arg)
 {
 	struct file_info *fi = file->private_data;
 	void __user *argp = (void __user *)arg;
@@ -2656,6 +2656,16 @@ static int raw1394_ioctl(struct inode *inode, struct file *file,
 	return -EINVAL;
 }
 
+static long raw1394_ioctl(struct file *file, unsigned int cmd,
+							unsigned long arg)
+{
+	long ret;
+	lock_kernel();
+	ret = do_raw1394_ioctl(file, cmd, arg);
+	unlock_kernel();
+	return ret;
+}
+
 #ifdef CONFIG_COMPAT
 struct raw1394_iso_packets32 {
         __u32 n_packets;
@@ -2690,7 +2700,7 @@ static long raw1394_iso_xmit_recv_packets32(struct file *file, unsigned int cmd,
 	    !copy_from_user(&infos32, &arg->infos, sizeof infos32)) {
 		infos = compat_ptr(infos32);
 		if (!copy_to_user(&dst->infos, &infos, sizeof infos))
-			err = raw1394_ioctl(NULL, file, cmd, (unsigned long)dst);
+			err = do_raw1394_ioctl(file, cmd, (unsigned long)dst);
 	}
 	return err;
 }
@@ -2731,7 +2741,7 @@ static long raw1394_compat_ioctl(struct file *file,
 	case RAW1394_IOC_ISO_GET_STATUS:
 	case RAW1394_IOC_ISO_SHUTDOWN:
 	case RAW1394_IOC_ISO_QUEUE_ACTIVITY:
-		err = raw1394_ioctl(NULL, file, cmd, arg);
+		err = do_raw1394_ioctl(file, cmd, arg);
 		break;
 	/* These request have different format. */
 	case RAW1394_IOC_ISO_RECV_PACKETS32:
@@ -2984,7 +2994,7 @@ static const struct file_operations raw1394_fops = {
 	.read = raw1394_read,
 	.write = raw1394_write,
 	.mmap = raw1394_mmap,
-	.ioctl = raw1394_ioctl,
+	.unlocked_ioctl = raw1394_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = raw1394_compat_ioctl,
 #endif