squashfs: constify xattr handlers

Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>

diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 305ce15..733a17c 100644 (file)
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -100,7 +100,7 @@ extern const struct address_space_operations squashfs_symlink_aops;
 extern const struct inode_operations squashfs_symlink_inode_ops;
 
 /* xattr.c */
-extern struct xattr_handler *squashfs_xattr_handlers[];
+extern const struct xattr_handler *squashfs_xattr_handlers[];
 
 /* zlib_wrapper.c */
 extern const struct squashfs_decompressor squashfs_zlib_comp_ops;

diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index de03889..14a2fee 100644 (file)
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -34,7 +34,7 @@
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
 
-static struct xattr_handler *squashfs_xattr_handler(int);
+static const struct xattr_handler *squashfs_xattr_handler(int);
 
 ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
        size_t buffer_size)
@@ -57,7 +57,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer,
        while (count--) {
                struct squashfs_xattr_entry entry;
                struct squashfs_xattr_val val;
-               struct xattr_handler *handler;
+               const struct xattr_handler *handler;
                int name_size, prefix_size = 0;
 
                err = squashfs_read_metadata(sb, &entry, &start, &offset,
@@ -228,7 +228,7 @@ static int squashfs_user_get(struct dentry *d, const char *name, void *buffer,
                buffer, size);
 }
 
-static struct xattr_handler squashfs_xattr_user_handler = {
+static const struct xattr_handler squashfs_xattr_user_handler = {
        .prefix = XATTR_USER_PREFIX,
        .list   = squashfs_user_list,
        .get    = squashfs_user_get
@@ -258,7 +258,7 @@ static int squashfs_trusted_get(struct dentry *d, const char *name,
                buffer, size);
 }
 
-static struct xattr_handler squashfs_xattr_trusted_handler = {
+static const struct xattr_handler squashfs_xattr_trusted_handler = {
        .prefix = XATTR_TRUSTED_PREFIX,
        .list   = squashfs_trusted_list,
        .get    = squashfs_trusted_get
@@ -285,13 +285,13 @@ static int squashfs_security_get(struct dentry *d, const char *name,
                buffer, size);
 }
 
-static struct xattr_handler squashfs_xattr_security_handler = {
+static const struct xattr_handler squashfs_xattr_security_handler = {
        .prefix = XATTR_SECURITY_PREFIX,
        .list   = squashfs_security_list,
        .get    = squashfs_security_get
 };
 
-static inline struct xattr_handler *squashfs_xattr_handler(int type)
+static inline const struct xattr_handler *squashfs_xattr_handler(int type)
 {
        if (type & ~(SQUASHFS_XATTR_PREFIX_MASK | SQUASHFS_XATTR_VALUE_OOL))
                /* ignore unrecognised type */
@@ -310,7 +310,7 @@ static inline struct xattr_handler *squashfs_xattr_handler(int type)
        }
 }
 
-struct xattr_handler *squashfs_xattr_handlers[] = {
+const struct xattr_handler *squashfs_xattr_handlers[] = {
        &squashfs_xattr_user_handler,
        &squashfs_xattr_trusted_handler,
        &squashfs_xattr_security_handler,