diff mbox

[GIT,PULL,36/37] lightnvm: pblk: remove some unnecessary NULL checks

Message ID 20180329220524.30363-37-mb@lightnvm.io (mailing list archive)
State New, archived
Headers show

Commit Message

Matias Bjorling March 29, 2018, 10:05 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

Smatch complains that flush_workqueue() dereferences the work queue
pointer but then we check if it's NULL on the next line when it's too
late.  These NULL checks can be removed because the module won't load if
we can't allocate the work queues.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
---
 drivers/lightnvm/pblk-gc.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/lightnvm/pblk-gc.c b/drivers/lightnvm/pblk-gc.c
index 7143b0f740fb..6851a5c67189 100644
--- a/drivers/lightnvm/pblk-gc.c
+++ b/drivers/lightnvm/pblk-gc.c
@@ -664,12 +664,10 @@  void pblk_gc_exit(struct pblk *pblk)
 		kthread_stop(gc->gc_reader_ts);
 
 	flush_workqueue(gc->gc_reader_wq);
-	if (gc->gc_reader_wq)
-		destroy_workqueue(gc->gc_reader_wq);
+	destroy_workqueue(gc->gc_reader_wq);
 
 	flush_workqueue(gc->gc_line_reader_wq);
-	if (gc->gc_line_reader_wq)
-		destroy_workqueue(gc->gc_line_reader_wq);
+	destroy_workqueue(gc->gc_line_reader_wq);
 
 	if (gc->gc_writer_ts)
 		kthread_stop(gc->gc_writer_ts);