From: Markus Elfring Date: Mon, 16 Nov 2015 07:20:36 +0000 (+0100) Subject: sh: Delete unnecessary checks before the function call "mempool_destroy" X-Git-Tag: v4.8-rc1~15^2~4 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=a316399635e334c878a88c90044c1e45f57129a4;p=uclinux-h8%2Flinux.git sh: Delete unnecessary checks before the function call "mempool_destroy" The mempool_destroy() function tests whether its argument is NULL and then returns immediately. Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Signed-off-by: Rich Felker --- diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index 9d209a07235e..e1d751ae2498 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -1009,10 +1009,8 @@ static void __init dwarf_unwinder_cleanup(void) rbtree_postorder_for_each_entry_safe(cie, next_cie, &cie_root, node) kfree(cie); - if (dwarf_reg_pool) - mempool_destroy(dwarf_reg_pool); - if (dwarf_frame_pool) - mempool_destroy(dwarf_frame_pool); + mempool_destroy(dwarf_reg_pool); + mempool_destroy(dwarf_frame_pool); kmem_cache_destroy(dwarf_reg_cachep); kmem_cache_destroy(dwarf_frame_cachep); }