* the userland interface
*/
+#include <linux/smp_lock.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/device.h>
if (smu_cmdbuf_abs == 0) {
printk(KERN_ERR "SMU: Command buffer not allocated !\n");
+ of_node_put(np);
return -EINVAL;
}
smu = alloc_bootmem(sizeof(struct smu_device));
- if (smu == NULL)
+ if (smu == NULL) {
+ of_node_put(np);
return -ENOMEM;
+ }
memset(smu, 0, sizeof(*smu));
spin_lock_init(&smu->lock);
pp->mode = smu_file_commands;
init_waitqueue_head(&pp->wait);
+ lock_kernel();
spin_lock_irqsave(&smu_clist_lock, flags);
list_add(&pp->list, &smu_clist);
spin_unlock_irqrestore(&smu_clist_lock, flags);
file->private_data = pp;
+ unlock_kernel();
return 0;
}