diff mbox series

[f2fs-dev,10/29] f2fs: move f2fs_xattr_handlers and f2fs_xattr_handler_map to .rodata

Message ID 20230930050033.41174-11-wedsonaf@gmail.com (mailing list archive)
State Mainlined
Commit a1c0752c33d25db28a9846ce82866a7f486f83e0
Headers show
Series None | expand

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
f2fs_xattr_handlers or f2fs_xattr_handler_map at runtime.

Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Chao Yu <chao@kernel.org>
Cc: linux-f2fs-devel@lists.sourceforge.net
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
---
 fs/f2fs/xattr.c | 4 ++--
 fs/f2fs/xattr.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

Comments

Chao Yu Oct. 7, 2023, 6:37 a.m. UTC | #1 
On 2023/9/30 13:00, Wedson Almeida Filho wrote:
> From: Wedson Almeida Filho <walmeida@microsoft.com>
> 
> This makes it harder for accidental or malicious changes to
> f2fs_xattr_handlers or f2fs_xattr_handler_map at runtime.
> 
> Cc: Jaegeuk Kim <jaegeuk@kernel.org>
> Cc: Chao Yu <chao@kernel.org>
> Cc: linux-f2fs-devel@lists.sourceforge.net
> Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,
diff mbox series

Patch

diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 476b186b90a6..3895a066f36c 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -189,7 +189,7 @@  const struct xattr_handler f2fs_xattr_security_handler = {
 	.set	= f2fs_xattr_generic_set,
 };
 
-static const struct xattr_handler *f2fs_xattr_handler_map[] = {
+static const struct xattr_handler * const f2fs_xattr_handler_map[] = {
 	[F2FS_XATTR_INDEX_USER] = &f2fs_xattr_user_handler,
 #ifdef CONFIG_F2FS_FS_POSIX_ACL
 	[F2FS_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access,
@@ -202,7 +202,7 @@  static const struct xattr_handler *f2fs_xattr_handler_map[] = {
 	[F2FS_XATTR_INDEX_ADVISE] = &f2fs_xattr_advise_handler,
 };
 
-const struct xattr_handler *f2fs_xattr_handlers[] = {
+const struct xattr_handler * const f2fs_xattr_handlers[] = {
 	&f2fs_xattr_user_handler,
 	&f2fs_xattr_trusted_handler,
 #ifdef CONFIG_F2FS_FS_SECURITY
diff --git a/fs/f2fs/xattr.h b/fs/f2fs/xattr.h
index b1811c392e6f..a005ffdcf717 100644
--- a/fs/f2fs/xattr.h
+++ b/fs/f2fs/xattr.h
@@ -125,7 +125,7 @@  extern const struct xattr_handler f2fs_xattr_trusted_handler;
 extern const struct xattr_handler f2fs_xattr_advise_handler;
 extern const struct xattr_handler f2fs_xattr_security_handler;
 
-extern const struct xattr_handler *f2fs_xattr_handlers[];
+extern const struct xattr_handler * const f2fs_xattr_handlers[];
 
 extern int f2fs_setxattr(struct inode *, int, const char *,
 				const void *, size_t, struct page *, int);