ffs_mutex_lock 260 drivers/usb/gadget/function/f_fs.c static int ffs_mutex_lock(struct mutex *mutex, unsigned nonblock) ffs_mutex_lock 339 drivers/usb/gadget/function/f_fs.c ret = ffs_mutex_lock(&ffs->mutex, file->f_flags & O_NONBLOCK); ffs_mutex_lock 516 drivers/usb/gadget/function/f_fs.c ret = ffs_mutex_lock(&ffs->mutex, file->f_flags & O_NONBLOCK); ffs_mutex_lock 659 drivers/usb/gadget/function/f_fs.c ret = ffs_mutex_lock(&ffs->mutex, file->f_flags & O_NONBLOCK); ffs_mutex_lock 974 drivers/usb/gadget/function/f_fs.c ret = ffs_mutex_lock(&epfile->mutex, file->f_flags & O_NONBLOCK);