> +#include <linux/richacl_xattr.h>
> +
> +MODULE_LICENSE("GPL");
what's the point given that the code isn't even modolar?
> +static void
> +fix_xattr_from_user(const char *kname, void *kvalue, size_t size)
> +{
> + if (strncmp(kname, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
> + return;
> + kname += XATTR_SYSTEM_PREFIX_LEN;
> + if (!strcmp(kname, XATTR_POSIX_ACL_ACCESS) ||
> + !strcmp(kname, XATTR_POSIX_ACL_DEFAULT))
> + posix_acl_fix_xattr_from_user(kvalue, size);
> +}
>
> /*
> * Extended attribute SET operations
> @@ -329,9 +339,7 @@ setxattr(struct dentry *d, const char __user *name, const
> void __user *value,
> error = -EFAULT;
> goto out;
> }
> - if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
> - (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
> - posix_acl_fix_xattr_from_user(kvalue, size);
> + fix_xattr_from_user(kname, kvalue, size);
> }
>
> error = vfs_setxattr(d, kname, kvalue, size, flags);
> @@ -396,6 +404,17 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *,
> name,
> return error;
> }
>
> +static void
> +fix_xattr_to_user(const char *kname, void *kvalue, size_t size)
> +{
> + if (strncmp(kname, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
> + return;
> + kname += XATTR_SYSTEM_PREFIX_LEN;
> + if (!strcmp(kname, XATTR_POSIX_ACL_ACCESS) ||
> + !strcmp(kname, XATTR_POSIX_ACL_DEFAULT))
> + posix_acl_fix_xattr_to_user(kvalue, size);
> +}
> +
> /*
> * Extended attribute GET operations
> */
> @@ -426,9 +445,7 @@ getxattr(struct dentry *d, const char __user *name, void
> __user *value,
>
> error = vfs_getxattr(d, kname, kvalue, size);
> if (error > 0) {
> - if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
> - (strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
> - posix_acl_fix_xattr_to_user(kvalue, size);
> + fix_xattr_to_user(kname, kvalue, size);
I don't see how this is related to the rest of the patch.
> +++ b/include/linux/richacl_xattr.h
What's the point in splitting this from the richacl.h header?
Same for the uapi versions.
> +struct richacl_xattr {
> + unsigned char a_version;
> + unsigned char a_flags;
Explicit __u8 for uapi headers, please.
