On Fri, 16 Dec 2022 11:21:21 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> Hi all,
>
> After merging the mm tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> In file included from fs/btrfs/tree-checker.c:20:
> include/linux/error-injection.h: In function 'get_injectable_error_type':
> include/linux/error-injection.h:22:17: error: 'EOPNOTSUPP' undeclared (first use in this function)
> 22 | return -EOPNOTSUPP;
> | ^~~~~~~~~~
> include/linux/error-injection.h:22:17: note: each undeclared identifier is reported only once for each function it appears in
>
> Caused by commit
>
> fcb9954aa1dc ("error-injection: remove EI_ETYPE_NONE")
>
> I have reverted that commit for today (and the following one).
Thanks. I'll try the obvious:
--- a/include/linux/error-injection.h~error-injection-remove-ei_etype_none-fix
+++ a/include/linux/error-injection.h
@@ -4,6 +4,7 @@
#include <linux/compiler.h>
#include <asm-generic/error-injection.h>
+#include <linux/errno.h>
#ifdef CONFIG_FUNCTION_ERROR_INJECTION
_
