On Wed, 13 Jan 2010 15:33:15 +0100 Oliver Neukum <oliver@xxxxxxxxxx> wrote: > Straightforward push into the drivers to allow > auditing individual drivers separately > #include <linux/mutex.h> > +#include <linux/smp_lock.h> > #undef DEBUG > @@ -395,6 +396,7 @@ static int usblp_open(struct inode *inode, struct file *file) > + lock_kernel(); > mutex_lock (&usblp_mutex); > retval = -ENODEV; > @@ -434,6 +436,7 @@ static int usblp_open(struct inode *inode, struct file *file) > out: > mutex_unlock (&usblp_mutex); > + unlock_kernel(); > return retval; Might as well drop it form usblp right away, too obvious. BTW, I always thought of it as "write as if BKL did not apply", just in case. Don't forget to remove the #include that you added. -- Pete -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
