diff options
| author | Cody P Schafer <cody@linux.vnet.ibm.com> | 2014-01-23 15:56:14 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-23 16:37:03 -0800 |
| commit | e376ed7c85fe102ff63db2eb8a0c5595f68151fa (patch) | |
| tree | 1f261e40d76016dd91e07be8bb6ade219d317906 /arch/sh | |
| parent | ed8f68669a27287a3b15882e8d88ebccae75ec59 (diff) | |
arch/sh/kernel/dwarf.c: use rbtree postorder iteration helper instead of solution using repeated rb_erase()
Use rbtree_postorder_for_each_entry_safe() to destroy the rbtree instead
of using repeated rb_erase() calls
Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/kernel/dwarf.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index 49c09c7d5b7..67a049e75ec 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -995,29 +995,19 @@ static struct unwinder dwarf_unwinder = { static void dwarf_unwinder_cleanup(void) { - struct rb_node **fde_rb_node = &fde_root.rb_node; - struct rb_node **cie_rb_node = &cie_root.rb_node; + struct dwarf_fde *fde, *next_fde; + struct dwarf_cie *cie, *next_cie; /* * Deallocate all the memory allocated for the DWARF unwinder. * Traverse all the FDE/CIE lists and remove and free all the * memory associated with those data structures. */ - while (*fde_rb_node) { - struct dwarf_fde *fde; - - fde = rb_entry(*fde_rb_node, struct dwarf_fde, node); - rb_erase(*fde_rb_node, &fde_root); + rbtree_postorder_for_each_entry_safe(fde, next_fde, &fde_root, node) kfree(fde); - } - while (*cie_rb_node) { - struct dwarf_cie *cie; - - cie = rb_entry(*cie_rb_node, struct dwarf_cie, node); - rb_erase(*cie_rb_node, &cie_root); + rbtree_postorder_for_each_entry_safe(cie, next_cie, &cie_root, node) kfree(cie); - } kmem_cache_destroy(dwarf_reg_cachep); kmem_cache_destroy(dwarf_frame_cachep); |