Author: Markus Elfring <elfring@users.sourceforge.net> The kmem_cache_destroy() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Acked-by: Linus Walleij Signed-off-by: Vinod Koul — drivers/dma/ste_dma40.c | 3 +– 1 file changed, 1 insertion(+), 2 …