From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 6 May 2014 18:02:53 +0000 (-0400)
Subject: nick kvfree() from apparmor
X-Git-Tag: firefly_0821_release~4090^2~231
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=40ef955d6541361f2e22044a2362ee13f0fde89b;p=firefly-linux-kernel-4.4.55.git

nick kvfree() from apparmor

too many places open-code it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Conflicts:
	mm/util.c
	security/apparmor/include/apparmor.h

Change-Id: Ie8602e0199282dc462921cb7217158d1998853b0
---

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 01eb01df9225..ff7f6375f33f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -324,6 +324,8 @@ static inline int is_vmalloc_or_module_addr(const void *x)
 }
 #endif
 
+extern void kvfree(const void *addr);
+
 static inline void compound_lock(struct page *page)
 {
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
diff --git a/mm/util.c b/mm/util.c
index ab1424dbe2e6..36aa4815e3dd 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -7,6 +7,7 @@
 #include <linux/security.h>
 #include <linux/swap.h>
 #include <linux/swapops.h>
+#include <linux/vmalloc.h>
 #include <asm/uaccess.h>
 
 #include "internal.h"
@@ -384,6 +385,15 @@ unsigned long vm_mmap(struct file *file, unsigned long addr,
 }
 EXPORT_SYMBOL(vm_mmap);
 
+void kvfree(const void *addr)
+{
+	if (is_vmalloc_addr(addr))
+		vfree(addr);
+	else
+		kfree(addr);
+}
+EXPORT_SYMBOL(kvfree);
+
 struct address_space *page_mapping(struct page *page)
 {
 	struct address_space *mapping = page->mapping;
diff --git a/security/apparmor/include/apparmor.h b/security/apparmor/include/apparmor.h
index 40aedd9f73ea..4a8cbfeef8b3 100644
--- a/security/apparmor/include/apparmor.h
+++ b/security/apparmor/include/apparmor.h
@@ -65,7 +65,6 @@ extern int apparmor_initialized __initdata;
 char *aa_split_fqname(char *args, char **ns_name);
 void aa_info_message(const char *str);
 void *kvmalloc(size_t size);
-void kvfree(void *buffer);
 
 
 /**
diff --git a/security/apparmor/lib.c b/security/apparmor/lib.c
index 5b62af7254ca..ce8d9a84ab2d 100644
--- a/security/apparmor/lib.c
+++ b/security/apparmor/lib.c
@@ -103,17 +103,3 @@ void *kvmalloc(size_t size)
 	}
 	return buffer;
 }
-
-/**
- * kvfree - free an allocation do by kvmalloc
- * @buffer: buffer to free (MAYBE_NULL)
- *
- * Free a buffer allocated by kvmalloc
- */
-void kvfree(void *buffer)
-{
-	if (is_vmalloc_addr(buffer))
-		vfree(buffer);
-	else
-		kfree(buffer);
-}