From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Wed, 30 Apr 2008 07:53:19 +0000 (-0700)
Subject: isicom: istallion prepare for lock_kernel pushdown
X-Git-Tag: v2.6.26-rc1~255
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3736113654165b5f4b8658b6a34d74631e0b7d81;p=linux-2.6

isicom: istallion prepare for lock_kernel pushdown

This is an ancient driver so just wrap it in lock_kernel internally and
be done.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index c645455c3f..37dc3d202c 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -4433,6 +4433,8 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
 	done = 0;
 	rc = 0;
 
+	lock_kernel();
+
 	switch (cmd) {
 	case COM_GETPORTSTATS:
 		rc = stli_getportstats(NULL, argp);
@@ -4455,6 +4457,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
 		done++;
 		break;
 	}
+	unlock_kernel();
 
 	if (done)
 		return rc;
@@ -4472,6 +4475,8 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
 	if (brdp->state == 0)
 		return -ENODEV;
 
+	lock_kernel();
+
 	switch (cmd) {
 	case STL_BINTR:
 		EBRDINTR(brdp);
@@ -4494,6 +4499,7 @@ static int stli_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, un
 		rc = -ENOIOCTLCMD;
 		break;
 	}
+	unlock_kernel();
 	return rc;
 }