#include <linux/poll.h>
#include <linux/compat.h>
#include <linux/mm.h>
+#include <linux/smp_lock.h>
#include <asm/uaccess.h>
size_t size;
int rc;
+ lock_kernel();
mutex_lock(&mon_lock);
if ((mbus = mon_bus_lookup(iminor(inode))) == NULL) {
mutex_unlock(&mon_lock);
+ unlock_kernel();
return -ENODEV;
}
if (mbus != &mon_bus0 && mbus->u_bus == NULL) {
printk(KERN_ERR TAG ": consistency error on open\n");
mutex_unlock(&mon_lock);
+ unlock_kernel();
return -ENODEV;
}
file->private_data = rp;
mutex_unlock(&mon_lock);
+ unlock_kernel();
return 0;
err_allocbuff:
kfree(rp);
err_alloc:
mutex_unlock(&mon_lock);
+ unlock_kernel();
return rc;
}
if (minor >= MON_BIN_MAX_MINOR)
return 0;
- dev = device_create(mon_bin_class, ubus? ubus->controller: NULL,
- MKDEV(MAJOR(mon_bin_dev0), minor), "usbmon%d", minor);
+ dev = device_create_drvdata(mon_bin_class, ubus? ubus->controller: NULL,
+ MKDEV(MAJOR(mon_bin_dev0), minor), NULL,
+ "usbmon%d", minor);
if (IS_ERR(dev))
return 0;