[PATCH] net: unexport csum_and_copy_{from,to}_user

* [PATCH] net: unexport csum_and_copy_{from,to}_user
@ 2022-04-21  7:04 Christoph Hellwig
  2022-04-22 22:57 ` Jakub Kicinski
                   ` (4 more replies)
  0 siblings, 5 replies; 7+ messages in thread
From: Christoph Hellwig @ 2022-04-21  7:04 UTC (permalink / raw)
  To: akpm; +Cc: x86, linux-alpha, linux-m68k, linuxppc-dev, linux-kernel, netdev

csum_and_copy_from_user and csum_and_copy_to_user are exported by
a few architectures, but not actually used in modular code.  Drop
the exports.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/alpha/lib/csum_partial_copy.c   | 1 -
 arch/m68k/lib/checksum.c             | 2 --
 arch/powerpc/lib/checksum_wrappers.c | 2 --
 arch/x86/lib/csum-wrappers_64.c      | 2 --
 4 files changed, 7 deletions(-)

diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c
index 1931a04af85a2..4d180d96f09e4 100644
--- a/arch/alpha/lib/csum_partial_copy.c
+++ b/arch/alpha/lib/csum_partial_copy.c
@@ -353,7 +353,6 @@ csum_and_copy_from_user(const void __user *src, void *dst, int len)
 		return 0;
 	return __csum_and_copy(src, dst, len);
 }
-EXPORT_SYMBOL(csum_and_copy_from_user);
 
 __wsum
 csum_partial_copy_nocheck(const void *src, void *dst, int len)
diff --git a/arch/m68k/lib/checksum.c b/arch/m68k/lib/checksum.c
index 7e6afeae62177..5acb821849d30 100644
--- a/arch/m68k/lib/checksum.c
+++ b/arch/m68k/lib/checksum.c
@@ -265,8 +265,6 @@ csum_and_copy_from_user(const void __user *src, void *dst, int len)
 	return sum;
 }
 
-EXPORT_SYMBOL(csum_and_copy_from_user);
-
 
 /*
  * copy from kernel space while checksumming, otherwise like csum_partial
diff --git a/arch/powerpc/lib/checksum_wrappers.c b/arch/powerpc/lib/checksum_wrappers.c
index f3999cbb2fcc4..1a14c8780278c 100644
--- a/arch/powerpc/lib/checksum_wrappers.c
+++ b/arch/powerpc/lib/checksum_wrappers.c
@@ -24,7 +24,6 @@ __wsum csum_and_copy_from_user(const void __user *src, void *dst,
 	user_read_access_end();
 	return csum;
 }
-EXPORT_SYMBOL(csum_and_copy_from_user);
 
 __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len)
 {
@@ -38,4 +37,3 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len)
 	user_write_access_end();
 	return csum;
 }
-EXPORT_SYMBOL(csum_and_copy_to_user);
diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
index 189344924a2be..145f9a0bde29a 100644
--- a/arch/x86/lib/csum-wrappers_64.c
+++ b/arch/x86/lib/csum-wrappers_64.c
@@ -32,7 +32,6 @@ csum_and_copy_from_user(const void __user *src, void *dst, int len)
 	user_access_end();
 	return sum;
 }
-EXPORT_SYMBOL(csum_and_copy_from_user);
 
 /**
  * csum_and_copy_to_user - Copy and checksum to user space.
@@ -57,7 +56,6 @@ csum_and_copy_to_user(const void *src, void __user *dst, int len)
 	user_access_end();
 	return sum;
 }
-EXPORT_SYMBOL(csum_and_copy_to_user);
 
 /**
  * csum_partial_copy_nocheck - Copy and checksum.
-- 
2.30.2


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