Now that we support wrap-static-fns we no longer need the custom helper.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 rust/bindgen_static_functions |  4 ++++
 rust/helpers/err.c            | 18 ------------------
 rust/helpers/helpers.c        |  1 -
 3 files changed, 4 insertions(+), 19 deletions(-)
 delete mode 100644 rust/helpers/err.c

diff --git a/rust/bindgen_static_functions b/rust/bindgen_static_functions
index 42e45ce34221..0269efa83c61 100644
--- a/rust/bindgen_static_functions
+++ b/rust/bindgen_static_functions
@@ -5,3 +5,7 @@
 
 --allowlist-function blk_mq_rq_to_pdu
 --allowlist-function blk_mq_rq_from_pdu
+
+--allowlist-function ERR_PTR
+--allowlist-function IS_ERR
+--allowlist-function PTR_ERR
diff --git a/rust/helpers/err.c b/rust/helpers/err.c
deleted file mode 100644
index 544c7cb86632..000000000000
--- a/rust/helpers/err.c
+++ /dev/null
@@ -1,18 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-#include <linux/err.h>
-
-__force void *rust_helper_ERR_PTR(long err)
-{
-	return ERR_PTR(err);
-}
-
-bool rust_helper_IS_ERR(__force const void *ptr)
-{
-	return IS_ERR(ptr);
-}
-
-long rust_helper_PTR_ERR(__force const void *ptr)
-{
-	return PTR_ERR(ptr);
-}
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 426b0d7f6587..e089ecdf091f 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -10,7 +10,6 @@
 #include "bug.c"
 #include "build_assert.c"
 #include "build_bug.c"
-#include "err.c"
 #include "kunit.c"
 #include "mutex.c"
 #include "page.c"
-- 
2.47.0