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net: unexport csum_and_copy_{from,to}_user

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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.

Link: https://lkml.kernel.org/r/20220421070440.1282704-1-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2022-04-29 14:37:59 -07:00 committed by akpm
parent e069047991
commit 6308499b5e
4 changed files with 0 additions and 7 deletions
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1
arch/alpha/lib/csum_partial_copy.c
View File

@ -353,7 +353,6 @@ csum_and_copy_from_user(const void __user *src, void *dst, int len)
return 0; return 0;
return __csum_and_copy(src, dst, len); return __csum_and_copy(src, dst, len);
} }
EXPORT_SYMBOL(csum_and_copy_from_user);
__wsum __wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len) csum_partial_copy_nocheck(const void *src, void *dst, int len)

2
arch/m68k/lib/checksum.c
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@ -265,8 +265,6 @@ csum_and_copy_from_user(const void __user *src, void *dst, int len)
return sum; return sum;
} }
EXPORT_SYMBOL(csum_and_copy_from_user);
/* /*
* copy from kernel space while checksumming, otherwise like csum_partial * copy from kernel space while checksumming, otherwise like csum_partial

2
arch/powerpc/lib/checksum_wrappers.c
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@ -24,7 +24,6 @@ __wsum csum_and_copy_from_user(const void __user *src, void *dst,
user_read_access_end(); user_read_access_end();
return csum; return csum;
} }
EXPORT_SYMBOL(csum_and_copy_from_user);
__wsum csum_and_copy_to_user(const void *src, void __user *dst, int len) __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(); user_write_access_end();
return csum; return csum;
} }
EXPORT_SYMBOL(csum_and_copy_to_user);

2
arch/x86/lib/csum-wrappers_64.c
View File

@ -32,7 +32,6 @@ csum_and_copy_from_user(const void __user *src, void *dst, int len)
user_access_end(); user_access_end();
return sum; return sum;
} }
EXPORT_SYMBOL(csum_and_copy_from_user);
/** /**
* csum_and_copy_to_user - Copy and checksum to user space. * 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(); user_access_end();
return sum; return sum;
} }
EXPORT_SYMBOL(csum_and_copy_to_user);
/** /**
* csum_partial_copy_nocheck - Copy and checksum. * csum_partial_copy_nocheck - Copy and checksum.