[SCSI] aacraid: use kthread_ API

Use the kthread_ API instead of opencoding lots of hairy code for kernel
thread creation and teardown.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Salyzyn, Mark <mark_salyzyn@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 6 insertions, 8 deletions

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 271617890562..c2596335549d 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -48,6 +48,7 @@
 #include <linux/syscalls.h>
 #include <linux/delay.h>
 #include <linux/smp_lock.h>
+#include <linux/kthread.h>
 #include <asm/semaphore.h>
 
 #include <scsi/scsi.h>
@@ -850,10 +851,10 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
         /*
          *      Start any kernel threads needed
          */
-        aac->thread_pid = kernel_thread((int (*)(void *))aac_command_thread,
-          aac, 0);
-        if (aac->thread_pid < 0) {
+        aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
+        if (IS_ERR(aac->thread)) {
                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
+                error = PTR_ERR(aac->thread);
                 goto out_deinit;
         }
 
@@ -934,9 +935,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
         return 0;
 
  out_deinit:
-        kill_proc(aac->thread_pid, SIGKILL, 0);
-        wait_for_completion(&aac->aif_completion);
-
+        kthread_stop(aac->thread);
         aac_send_shutdown(aac);
         aac_adapter_disable_int(aac);
         free_irq(pdev->irq, aac);
@@ -970,8 +969,7 @@ static void __devexit aac_remove_one(struct pci_dev *pdev)
 
         scsi_remove_host(shost);
 
-        kill_proc(aac->thread_pid, SIGKILL, 0);
-        wait_for_completion(&aac->aif_completion);
+        kthread_stop(aac->thread);
 
         aac_send_shutdown(aac);
         aac_adapter_disable_int(aac);