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authorOliver Neukum <oliver@neukum.org>2010-01-13 15:33:15 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-02 23:54:23 +0100
commit86266452f80545285c14e20a8024f79c4fb88a86 (patch)
treeebb0a287f9bf189737d4924536d18b36492fd330 /drivers/hid
parentUSB: Remove BKL from lseek implementations (diff)
downloadlinux-86266452f80545285c14e20a8024f79c4fb88a86.tar.xz
linux-86266452f80545285c14e20a8024f79c4fb88a86.zip
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/hid')
-rw-r--r--drivers/hid/usbhid/hiddev.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 867e08433e4b..433602aed468 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -265,9 +265,10 @@ static int hiddev_release(struct inode * inode, struct file * file)
static int hiddev_open(struct inode *inode, struct file *file)
{
struct hiddev_list *list;
- int res;
+ int res, i;
- int i = iminor(inode) - HIDDEV_MINOR_BASE;
+ lock_kernel();
+ i = iminor(inode) - HIDDEV_MINOR_BASE;
if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i])
return -ENODEV;
@@ -313,10 +314,12 @@ static int hiddev_open(struct inode *inode, struct file *file)
usbhid_open(hid);
}
+ unlock_kernel();
return 0;
bail:
file->private_data = NULL;
kfree(list);
+ unlock_kernel();
return res;
}