xiaomi-sm8450/android_kernel_xiaomi_sm8450
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USB: Push BKL on open down into the drivers

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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>
This commit is contained in:
Oliver Neukum
2010-01-13 15:33:15 +01:00
committed by Greg Kroah-Hartman
parent f9de332ebf
commit 86266452f8
20 changed files with 99 additions and 15 deletions
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3
drivers/usb/misc/adutux.c
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@@ -25,6 +25,7 @@
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/mutex.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#ifdef CONFIG_USB_DEBUG
@@ -274,6 +275,7 @@ static int adu_open(struct inode *inode, struct file *file)
dbg(2,"%s : enter", __func__);
lock_kernel();
subminor = iminor(inode);
if ((retval = mutex_lock_interruptible(&adutux_mutex))) {
@@ -332,6 +334,7 @@ static int adu_open(struct inode *inode, struct file *file)
exit_no_device:
mutex_unlock(&adutux_mutex);
exit_no_lock:
unlock_kernel();
dbg(2,"%s : leave, return value %d ", __func__, retval);
return retval;
}