From: Jonathan Corbet <corbet@lwn.net>
Date: Thu, 15 May 2008 22:09:48 +0000 (-0600)
Subject: gdth: cdev lock_kernel() pushdown
X-Git-Tag: v2.6.27-rc1~1103^2~116
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=46787b481be00d5443d385480d12470728406cf4;p=linux-2.6-omap-h63xx.git

gdth: cdev lock_kernel() pushdown

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

diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 46771d4c81b..822d5214692 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -120,6 +120,7 @@
 #include <linux/timer.h>
 #include <linux/dma-mapping.h>
 #include <linux/list.h>
+#include <linux/smp_lock.h>
 
 #ifdef GDTH_RTC
 #include <linux/mc146818rtc.h>
@@ -4019,10 +4020,12 @@ static int gdth_open(struct inode *inode, struct file *filep)
 {
     gdth_ha_str *ha;
 
+    lock_kernel();
     list_for_each_entry(ha, &gdth_instances, list) {
         if (!ha->sdev)
             ha->sdev = scsi_get_host_dev(ha->shost);
     }
+    unlock_kernel();
 
     TRACE(("gdth_open()\n"));
     return 0;