summaryrefslogtreecommitdiff
path: root/drivers/char/vc_screen.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-07-18 13:39:39 +0400
committerDavid S. Miller <davem@davemloft.net>2008-07-18 13:39:39 +0400
commit49997d75152b3d23c53b0fa730599f2f74c92c65 (patch)
tree46e93126170d02cfec9505172e545732c1b69656 /drivers/char/vc_screen.c
parenta0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
downloadlinux-49997d75152b3d23c53b0fa730599f2f74c92c65.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: Documentation/powerpc/booting-without-of.txt drivers/atm/Makefile drivers/net/fs_enet/fs_enet-main.c drivers/pci/pci-acpi.c net/8021q/vlan.c net/iucv/iucv.c
Diffstat (limited to 'drivers/char/vc_screen.c')
-rw-r--r--drivers/char/vc_screen.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c
index 83aeedda200c..eebfad2777d2 100644
--- a/drivers/char/vc_screen.c
+++ b/drivers/char/vc_screen.c
@@ -34,6 +34,7 @@
#include <linux/kbd_kern.h>
#include <linux/console.h>
#include <linux/device.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/byteorder.h>
@@ -460,9 +461,13 @@ static int
vcs_open(struct inode *inode, struct file *filp)
{
unsigned int currcons = iminor(inode) & 127;
+ int ret = 0;
+
+ lock_kernel();
if(currcons && !vc_cons_allocated(currcons-1))
- return -ENXIO;
- return 0;
+ ret = -ENXIO;
+ unlock_kernel();
+ return ret;
}
static const struct file_operations vcs_fops = {