bfs: bfad_worker cleanup

This kthread is not loop at all due to break at the end of the loop.  Make
that function linear, with no while loop.

And remove an unnecessary cast.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Anil Gurumurthy <anil.gurumurthy@qlogic.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 9 insertions, 13 deletions

diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index e90a3742f09d..cc3b9d3d6d40 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -1079,22 +1079,18 @@ bfad_start_ops(struct bfad_s *bfad) {
 int
 bfad_worker(void *ptr)
 {
-        struct bfad_s *bfad;
-        unsigned long   flags;
-
-        bfad = (struct bfad_s *)ptr;
-
-        while (!kthread_should_stop()) {
+        struct bfad_s *bfad = ptr;
+        unsigned long flags;
 
-                /* Send event BFAD_E_INIT_SUCCESS */
-                bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
+        if (kthread_should_stop())
+                return 0;
 
-                spin_lock_irqsave(&bfad->bfad_lock, flags);
-                bfad->bfad_tsk = NULL;
-                spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+        /* Send event BFAD_E_INIT_SUCCESS */
+        bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS);
 
-                break;
-        }
+        spin_lock_irqsave(&bfad->bfad_lock, flags);
+        bfad->bfad_tsk = NULL;
+        spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
         return 0;
 }