From: David Rientjes <rientjes@google.com>
Date: Tue, 7 Apr 2015 23:43:50 +0000 (+1000)
Subject: arch/sh/kernel/dwarf.c: destroy mempools on cleanup
X-Git-Tag: KARO-TXA5-2015-06-26~18^2~498
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=98d28cba267af81026f89dbf53d3f42fba19d07f;p=karo-tx-linux.git

arch/sh/kernel/dwarf.c: destroy mempools on cleanup

dwarf_reg_pool and dwarf_frame_pool are not properly destroyed when
cleaning up the dwarf unwinder.  Destroy them with mempool_destroy().

Also mark dwarf_unwinder_cleanup() as __init.

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index 67a049e75ec1..60437e9c345e 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -993,7 +993,7 @@ static struct unwinder dwarf_unwinder = {
 	.rating = 150,
 };
 
-static void dwarf_unwinder_cleanup(void)
+static void __init dwarf_unwinder_cleanup(void)
 {
 	struct dwarf_fde *fde, *next_fde;
 	struct dwarf_cie *cie, *next_cie;
@@ -1009,6 +1009,10 @@ static void 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);
 	kmem_cache_destroy(dwarf_reg_cachep);
 	kmem_cache_destroy(dwarf_frame_cachep);
 }