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From: Wedson Almeida Filho <wedsonaf@gmail.com>
To: Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>,
linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
Wedson Almeida Filho <walmeida@microsoft.com>,
Mark Fasheh <mark@fasheh.com>,
Joel Becker <jlbec@evilplan.org>,
Joseph Qi <joseph.qi@linux.alibaba.com>,
ocfs2-devel@lists.linux.dev
Subject: [PATCH 20/29] ocfs2: move ocfs2_xattr_handlers and
ocfs2_xattr_handler_map to .rodata
Date: Sat, 30 Sep 2023 02:00:24 -0300
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| Series |
const xattr tables
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Commit Message
Wedson Almeida Filho
Sept. 30, 2023, 5 a.m. UTC
From: Wedson Almeida Filho <walmeida@microsoft.com> This makes it harder for accidental or malicious changes to ocfs2_xattr_handlers or ocfs2_xattr_handler_map at runtime. Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: ocfs2-devel@lists.linux.dev Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> --- fs/ocfs2/xattr.c | 4 ++-- fs/ocfs2/xattr.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 4ac77ff6e676..1c54adac1e50 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -87,14 +87,14 @@ static struct ocfs2_xattr_def_value_root def_xv = { .xv.xr_list.l_count = cpu_to_le16(1), }; -const struct xattr_handler *ocfs2_xattr_handlers[] = { +const struct xattr_handler * const ocfs2_xattr_handlers[] = { &ocfs2_xattr_user_handler, &ocfs2_xattr_trusted_handler, &ocfs2_xattr_security_handler, NULL }; -static const struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = { +static const struct xattr_handler * const ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = { [OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler, [OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access, [OCFS2_XATTR_INDEX_POSIX_ACL_DEFAULT] = &nop_posix_acl_default, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 00308b57f64f..65e9aa743919 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -30,7 +30,7 @@ struct ocfs2_security_xattr_info { extern const struct xattr_handler ocfs2_xattr_user_handler; extern const struct xattr_handler ocfs2_xattr_trusted_handler; extern const struct xattr_handler ocfs2_xattr_security_handler; -extern const struct xattr_handler *ocfs2_xattr_handlers[]; +extern const struct xattr_handler * const ocfs2_xattr_handlers[]; ssize_t ocfs2_listxattr(struct dentry *, char *, size_t); int ocfs2_xattr_get_nolock(struct inode *, struct buffer_head *, int,