Author: Yash Shah <yshah1@visteon.com> The kmem_cache_destroy() function tests whether its argument is NULL and then returns immediately. Thus the NULL check before calling this function is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Yash Shah Signed-off-by: Greg Kroah-Hartman — drivers/staging/rdma/ehca/ehca_av.c | 3 +– drivers/staging/rdma/ehca/ehca_cq.c | 3 +– drivers/staging/rdma/ehca/ehca_main.c | 3 …