diff options
| author | Oliver Neukum <oliver@neukum.org> | 2010-01-13 17:33:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-03 01:54:23 +0300 |
| commit | 86266452f80545285c14e20a8024f79c4fb88a86 (patch) | |
| tree | ebb0a287f9bf189737d4924536d18b36492fd330 /drivers/usb/misc/legousbtower.c | |
| parent | f9de332ebf9df71892d52f7eb64af101a647349f (diff) | |
| download | linux-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/legousbtower.c')
| -rw-r--r-- | drivers/usb/misc/legousbtower.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 3d4378fb4410..94e1b84134dd 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -82,6 +82,7 @@ #include <linux/module.h> #include <linux/completion.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <linux/usb.h> #include <linux/poll.h> @@ -345,6 +346,7 @@ static int tower_open (struct inode *inode, struct file *file) dbg(2, "%s: enter", __func__); + lock_kernel(); nonseekable_open(inode, file); subminor = iminor(inode); @@ -430,6 +432,7 @@ unlock_exit: mutex_unlock(&dev->lock); exit: + unlock_kernel(); dbg(2, "%s: leave, return value %d ", __func__, retval); return retval; |