aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2008-05-20 13:15:30 -0400
committerJonathan Corbet <corbet@lwn.net>2008-06-20 16:05:54 -0400
commita076230134f3083a58cef99e48b127818ef01e7a (patch)
tree84aece35481ff8bed415875aa88a27bcabe155af
parent8f5934278d1d86590244c2791b28f77d67466007 (diff)
agp-frontend: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--drivers/char/agp/frontend.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
index 857b26227d87..963eff28fa00 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -39,6 +39,7 @@
39#include <linux/mm.h> 39#include <linux/mm.h>
40#include <linux/fs.h> 40#include <linux/fs.h>
41#include <linux/sched.h> 41#include <linux/sched.h>
42#include <linux/smp_lock.h>
42#include <asm/uaccess.h> 43#include <asm/uaccess.h>
43#include <asm/pgtable.h> 44#include <asm/pgtable.h>
44#include "agp.h" 45#include "agp.h"
@@ -677,6 +678,7 @@ static int agp_open(struct inode *inode, struct file *file)
677 struct agp_client *client; 678 struct agp_client *client;
678 int rc = -ENXIO; 679 int rc = -ENXIO;
679 680
681 lock_kernel();
680 mutex_lock(&(agp_fe.agp_mutex)); 682 mutex_lock(&(agp_fe.agp_mutex));
681 683
682 if (minor != AGPGART_MINOR) 684 if (minor != AGPGART_MINOR)
@@ -703,12 +705,14 @@ static int agp_open(struct inode *inode, struct file *file)
703 agp_insert_file_private(priv); 705 agp_insert_file_private(priv);
704 DBG("private=%p, client=%p", priv, client); 706 DBG("private=%p, client=%p", priv, client);
705 mutex_unlock(&(agp_fe.agp_mutex)); 707 mutex_unlock(&(agp_fe.agp_mutex));
708 unlock_kernel();
706 return 0; 709 return 0;
707 710
708err_out_nomem: 711err_out_nomem:
709 rc = -ENOMEM; 712 rc = -ENOMEM;
710err_out: 713err_out:
711 mutex_unlock(&(agp_fe.agp_mutex)); 714 mutex_unlock(&(agp_fe.agp_mutex));
715 unlock_kernel();
712 return rc; 716 return rc;
713} 717}
714 718