#include <linux/module.h>
#include <linux/reboot.h>
+#include <linux/smp_lock.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
} /* End tw_chrdev_ioctl() */
/* This function handles open for the character device */
+/* NOTE that this function races with remove. */
static int tw_chrdev_open(struct inode *inode, struct file *file)
{
unsigned int minor_number;
+ cycle_kernel_lock();
dprintk(KERN_WARNING "3w-xxxx: tw_ioctl_open()\n");
minor_number = iminor(inode);
static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
void *data, unsigned int len)
{
- struct scsi_cmnd *cmd = tw_dev->srb[request_id];
- unsigned long flags;
-
- local_irq_save(flags);
- scsi_sg_copy_from_buffer(cmd, data, len);
- local_irq_restore(flags);
+ scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len);
}
/* This function is called by the isr to complete an inquiry command */