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Code Issues Releases Wiki Activity

smb: move cifs_xattr_handlers to .rodata

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

Cc: Steve French <sfrench@samba.org>
Cc: Paulo Alcantara <pc@manguebit.com>
Cc: Ronnie Sahlberg <lsahlber@redhat.com>
Cc: Shyam Prasad N <sprasad@microsoft.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-24-wedsonaf@gmail.com
Reviewed-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Wedson Almeida Filho 2023-09-30 02:00:27 -03:00 committed by Christian Brauner
parent 29a69055e2
commit 149f455798
No known key found for this signature in database
GPG key ID: 91C61BC06578DCA2
2 changed files with 2 additions and 2 deletions
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2
fs/smb/client/cifsfs.h
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@ -127,7 +127,7 @@ extern int cifs_symlink(struct mnt_idmap *idmap, struct inode *inode,
struct dentry *direntry, const char *symname);
#ifdef CONFIG_CIFS_XATTR
extern const struct xattr_handler *cifs_xattr_handlers[];
extern const struct xattr_handler * const cifs_xattr_handlers[];
extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
#else
# define cifs_xattr_handlers NULL

2
fs/smb/client/xattr.c
View file

@ -478,7 +478,7 @@ static const struct xattr_handler smb3_ntsd_full_xattr_handler = {
.set = cifs_xattr_set,
};
const struct xattr_handler *cifs_xattr_handlers[] = {
const struct xattr_handler * const cifs_xattr_handlers[] = {
&cifs_user_xattr_handler,
&cifs_os2_xattr_handler,
&cifs_cifs_acl_xattr_handler,