[GIT PULL 36/37] lightnvm: pblk: remove some unnecessary NULL checks
From: Matias Bjørling <hidden>
Date: 2018-03-29 22:08:23
Also in:
lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Dan Carpenter <redacted> 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 <redacted> Signed-off-by: Matias Bjørling <redacted> --- drivers/lightnvm/pblk-gc.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
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);
--
2.11.0