* [f2fs-dev] [PATCH 10/29] f2fs: move f2fs_xattr_handlers and f2fs_xattr_handler_map to .rodata
[not found] <20230930050033.41174-1-wedsonaf@gmail.com>
@ 2023-09-30 5:00 ` Wedson Almeida Filho
2023-10-07 6:37 ` Chao Yu
0 siblings, 1 reply; 2+ messages in thread
From: Wedson Almeida Filho @ 2023-09-30 5:00 UTC (permalink / raw)
To: Alexander Viro, Christian Brauner, linux-fsdevel
Cc: Jaegeuk Kim, linux-f2fs-devel, linux-kernel, Wedson Almeida Filho
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(-)
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);
--
2.34.1
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