fs: constify tree_descr arrays passed to simple_fill_super()
simple_fill_super() is passed an array of tree_descr structures which
describe the files to create in the filesystem's root directory. Since
these arrays are never modified intentionally, they should be 'const' so
that they are placed in .rodata and benefit from memory protection.
This patch updates the function signature and all users, and also
constifies tree_descr.name.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/security/inode.c b/security/inode.c
index 2cb1416..eccd58e 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -28,7 +28,7 @@ static int mount_count;
static int fill_super(struct super_block *sb, void *data, int silent)
{
- static struct tree_descr files[] = {{""}};
+ static const struct tree_descr files[] = {{""}};
return simple_fill_super(sb, SECURITYFS_MAGIC, files);
}