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authorOliver Neukum <oliver@neukum.org>2010-01-13 17:33:15 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-03 01:54:23 +0300
commit86266452f80545285c14e20a8024f79c4fb88a86 (patch)
treeebb0a287f9bf189737d4924536d18b36492fd330 /drivers/usb/misc/rio500.c
parentf9de332ebf9df71892d52f7eb64af101a647349f (diff)
downloadlinux-86266452f80545285c14e20a8024f79c4fb88a86.tar.xz
USB: Push BKL on open down into the drivers
Straightforward push into the drivers to allow auditing individual drivers separately Signed-off-by: Oliver Neukum <oliver@neukum.org> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/misc/rio500.c')
-rw-r--r--drivers/usb/misc/rio500.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index 17e4eecaee73..47ce46bb5b01 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -77,7 +77,7 @@ static struct rio_usb_data rio_instance;
static int open_rio(struct inode *inode, struct file *file)
{
struct rio_usb_data *rio = &rio_instance;
-
+ lock_kernel();
mutex_lock(&(rio->lock));
if (rio->isopen || !rio->present) {
@@ -91,6 +91,7 @@ static int open_rio(struct inode *inode, struct file *file)
mutex_unlock(&(rio->lock));
dev_info(&rio->rio_dev->dev, "Rio opened.\n");
+ unlock_kernel();
return 0;
}