2023-09-30 06:13:46

by Wedson Almeida Filho

[permalink] [raw]
Subject: [PATCH 22/29] reiserfs: move reiserfs_xattr_handlers to .rodata

From: Wedson Almeida Filho <[email protected]>

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

Cc: [email protected]
Signed-off-by: Wedson Almeida Filho <[email protected]>
---
fs/reiserfs/reiserfs.h | 2 +-
fs/reiserfs/xattr.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 55e85256aae8..c18d0bc01725 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -1165,7 +1165,7 @@ static inline int bmap_would_wrap(unsigned bmap_nr)
return bmap_nr > ((1LL << 16) - 1);
}

-extern const struct xattr_handler *reiserfs_xattr_handlers[];
+extern const struct xattr_handler * const reiserfs_xattr_handlers[];

/*
* this says about version of key of all items (but stat data) the
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 651027967159..5a22a2bdaec7 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -910,7 +910,7 @@ static int create_privroot(struct dentry *dentry) { return 0; }
#endif

/* Actual operations that are exported to VFS-land */
-const struct xattr_handler *reiserfs_xattr_handlers[] = {
+const struct xattr_handler * const reiserfs_xattr_handlers[] = {
#ifdef CONFIG_REISERFS_FS_XATTR
&reiserfs_xattr_user_handler,
&reiserfs_xattr_trusted_handler,
--
2.34.1