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Date: Wed, 14 Feb 2018 12:11:54 -0800
From: Matthew Wilcox <willy@...radead.org>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Matthew Wilcox <mawilcox@...rosoft.com>,
linux-mm@...ck.org,
Kees Cook <keescook@...omium.org>,
linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com,
Joe Perches <joe@...ches.com>
Subject: [PATCH v2 8/8] Convert jffs2 acl to kvzalloc_struct
From: Matthew Wilcox <mawilcox@...rosoft.com>
Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com>
---
fs/jffs2/acl.c | 3 ++-
fs/jffs2/acl.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 7ebacf14837f..9df7feffd6ea 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
+#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/time.h>
@@ -133,7 +134,7 @@ static void *jffs2_acl_to_medium(const struct posix_acl *acl, size_t *size)
size_t i;
*size = jffs2_acl_size(acl->a_count);
- header = kmalloc(sizeof(*header) + acl->a_count * sizeof(*entry), GFP_KERNEL);
+ header = kvzalloc_struct(header, a_entries, acl->a_count, GFP_KERNEL);
if (!header)
return ERR_PTR(-ENOMEM);
header->a_version = cpu_to_je32(JFFS2_ACL_VERSION);
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index 2e2b5745c3b7..12d0271bdde3 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -22,6 +22,7 @@ struct jffs2_acl_entry_short {
struct jffs2_acl_header {
jint32_t a_version;
+ struct jffs2_acl_entry a_entries[];
};
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
--
2.15.1
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