linux-kernel - [PATCH] mm: export copy_to_kernel

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Message-Id: <20241018151112.3533820-1-arnd@kernel.org>
Date: Fri, 18 Oct 2024 15:11:09 +0000
From: Arnd Bergmann <arnd@...nel.org>
To: Andrew Morton <akpm@...ux-foundation.org>,
	Sabyrzhan Tasbolatov <snovitoll@...il.com>,
	Andrey Konovalov <andreyknvl@...il.com>
Cc: Arnd Bergmann <arnd@...db.de>,
	Marco Elver <elver@...gle.com>,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] mm: export copy_to_kernel_nofault

From: Arnd Bergmann <arnd@...db.de>

This symbol is now used on the kasan test module, so it needs to be
exported.

ERROR: modpost: "copy_to_kernel_nofault" [mm/kasan/kasan_test.ko] undefined!

Fixes: 44749130ffb4 ("kasan: migrate copy_user_test to kunit")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 mm/maccess.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/maccess.c b/mm/maccess.c
index 3ca55ec63a6a..8f0906180a94 100644
--- a/mm/maccess.c
+++ b/mm/maccess.c
@@ -82,6 +82,7 @@ long copy_to_kernel_nofault(void *dst, const void *src, size_t size)
 	pagefault_enable();
 	return -EFAULT;
 }
+EXPORT_SYMBOL_GPL(copy_to_kernel_nofault);
 
 long strncpy_from_kernel_nofault(char *dst, const void *unsafe_addr, long count)
 {
-- 
2.39.5