linux-kernel - [PATCH 11/29] fuse: move fuse_xattr

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Date:   Sat, 30 Sep 2023 02:00:15 -0300
From:   Wedson Almeida Filho <wedsonaf@...il.com>
To:     Alexander Viro <viro@...iv.linux.org.uk>,
        Christian Brauner <brauner@...nel.org>,
        linux-fsdevel@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Wedson Almeida Filho <walmeida@...rosoft.com>,
        Miklos Szeredi <miklos@...redi.hu>
Subject: [PATCH 11/29] fuse: move fuse_xattr_handlers to .rodata

From: Wedson Almeida Filho <walmeida@...rosoft.com>

This makes it harder for accidental or malicious changes to
fuse_xattr_handlers at runtime.

Cc: Miklos Szeredi <miklos@...redi.hu>
Cc: linux-fsdevel@...r.kernel.org
Signed-off-by: Wedson Almeida Filho <walmeida@...rosoft.com>
---
 fs/fuse/fuse_i.h | 2 +-
 fs/fuse/xattr.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 9b7fc7d3c7f1..2e8c2e06cf78 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -1268,7 +1268,7 @@ ssize_t fuse_getxattr(struct inode *inode, const char *name, void *value,
 		      size_t size);
 ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size);
 int fuse_removexattr(struct inode *inode, const char *name);
-extern const struct xattr_handler *fuse_xattr_handlers[];
+extern const struct xattr_handler * const fuse_xattr_handlers[];
 
 struct posix_acl;
 struct posix_acl *fuse_get_inode_acl(struct inode *inode, int type, bool rcu);
diff --git a/fs/fuse/xattr.c b/fs/fuse/xattr.c
index 49c01559580f..5b423fdbb13f 100644
--- a/fs/fuse/xattr.c
+++ b/fs/fuse/xattr.c
@@ -209,7 +209,7 @@ static const struct xattr_handler fuse_xattr_handler = {
 	.set    = fuse_xattr_set,
 };
 
-const struct xattr_handler *fuse_xattr_handlers[] = {
+const struct xattr_handler * const fuse_xattr_handlers[] = {
 	&fuse_xattr_handler,
 	NULL
 };
-- 
2.34.1