UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

usb: gadget: Do not take BKL for gadget->ops->ioctl 

There is no gadget driver in the tree that
actually implements the ioctl operation, so
obviously it is not necessary to hold the
BKL around the call.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Michał Nazarewicz <m.nazarewicz@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Arnd Bergmann 2010-06-01 23:04:44 +02:00 committed by Greg Kroah-Hartman
parent 00b81fb23a
commit 1548b13b75
2 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/gadget/f_fs.c
View File

@ -714,9 +714,7 @@ static long ffs_ep0_ioctl(struct file *file, unsigned code, unsigned long value)
struct ffs_function *func = ffs->func;
ret = func ? ffs_func_revmap_intf(func, value) : -ENODEV;
} else if (gadget->ops->ioctl) {
lock_kernel();
ret = gadget->ops->ioctl(gadget, code, value);
unlock_kernel();
} else {
ret = -ENOTTY;
}

6
drivers/usb/gadget/inode.c
View File

@ -1299,11 +1299,9 @@ static long dev_ioctl (struct file *fd, unsigned code, unsigned long value)
struct usb_gadget *gadget = dev->gadget;
long ret = -ENOTTY;
if (gadget->ops->ioctl) {
lock_kernel();
if (gadget->ops->ioctl)
ret = gadget->ops->ioctl (gadget, code, value);
unlock_kernel();
}
return ret;
}