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 <elfring@users.sourceforge.net>
Signed-off-by: Rich Felker <dalias@libc.org>

diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 9d209a0..e1d751a 100644 (file)
--- 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);
 }