#include <linux/workqueue.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/debugfs.h>
#include "cpqphp.h"
+static DEFINE_MUTEX(cpqphp_mutex);
static int show_ctrl (struct controller *ctrl, char *buf)
{
char *out = buf;
struct ctrl_dbg *dbg;
int retval = -ENOMEM;
- lock_kernel();
+ mutex_lock(&cpqphp_mutex);
dbg = kmalloc(sizeof(*dbg), GFP_KERNEL);
if (!dbg)
goto exit;
file->private_data = dbg;
retval = 0;
exit:
- unlock_kernel();
+ mutex_unlock(&cpqphp_mutex);
return retval;
}
struct ctrl_dbg *dbg;
loff_t new = -1;
- lock_kernel();
+ mutex_lock(&cpqphp_mutex);
dbg = file->private_data;
switch (whence) {
break;
}
if (new < 0 || new > dbg->size) {
- unlock_kernel();
+ mutex_unlock(&cpqphp_mutex);
return -EINVAL;
}
- unlock_kernel();
+ mutex_unlock(&cpqphp_mutex);
return (file->f_pos = new);
}