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| author | Wedson Almeida Filho <walmeida@microsoft.com> | 2023-09-30 02:00:12 -0300 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2023-10-09 16:24:17 +0200 |
| commit | 3591f40e223c66d4a3f152390b6db56421011854 (patch) | |
| tree | 03d6101180f094e8e55c9fae108ada3d48bea612 /fs/erofs | |
| parent | f354ed9810661334fe53196e83b08d8e8680f72f (diff) | |
| download | lwn-3591f40e223c66d4a3f152390b6db56421011854.tar.gz lwn-3591f40e223c66d4a3f152390b6db56421011854.zip | |
erofs: move erofs_xattr_handlers and xattr_handler_map to .rodata
This makes it harder for accidental or malicious changes to
erofs_xattr_handlers or xattr_handler_map at runtime.
Cc: Gao Xiang <xiang@kernel.org>
Cc: Chao Yu <chao@kernel.org>
Cc: Yue Hu <huyue2@coolpad.com>
Cc: Jeffle Xu <jefflexu@linux.alibaba.com>
Cc: linux-erofs@lists.ozlabs.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-9-wedsonaf@gmail.com
Acked-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/erofs')
| -rw-r--r-- | fs/erofs/xattr.c | 2 | ||||
| -rw-r--r-- | fs/erofs/xattr.h | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c index 09d341675e89..b58316b49a43 100644 --- a/fs/erofs/xattr.c +++ b/fs/erofs/xattr.c @@ -168,7 +168,7 @@ const struct xattr_handler __maybe_unused erofs_xattr_security_handler = { }; #endif -const struct xattr_handler *erofs_xattr_handlers[] = { +const struct xattr_handler * const erofs_xattr_handlers[] = { &erofs_xattr_user_handler, &erofs_xattr_trusted_handler, #ifdef CONFIG_EROFS_FS_SECURITY diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h index f16283cb8c93..b246cd0e135e 100644 --- a/fs/erofs/xattr.h +++ b/fs/erofs/xattr.h @@ -23,7 +23,7 @@ static inline const char *erofs_xattr_prefix(unsigned int idx, { const struct xattr_handler *handler = NULL; - static const struct xattr_handler *xattr_handler_map[] = { + static const struct xattr_handler * const xattr_handler_map[] = { [EROFS_XATTR_INDEX_USER] = &erofs_xattr_user_handler, #ifdef CONFIG_EROFS_FS_POSIX_ACL [EROFS_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access, @@ -44,7 +44,7 @@ static inline const char *erofs_xattr_prefix(unsigned int idx, return xattr_prefix(handler); } -extern const struct xattr_handler *erofs_xattr_handlers[]; +extern const struct xattr_handler * const erofs_xattr_handlers[]; int erofs_xattr_prefixes_init(struct super_block *sb); void erofs_xattr_prefixes_cleanup(struct super_block *sb); |