From cc03f19cfd45f44a75f0445c5be0073bbd3dda1c Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 16 Feb 2020 15:10:33 -0500 Subject: [PATCH] ia64: csum_partial_copy_nocheck(): don't abuse csum_partial_copy_from_user() Just inline the call and use memcpy() instead of __copy_from_user() and note that the tail is precisely ia64 csum_partial(). Signed-off-by: Al Viro --- arch/ia64/lib/csum_partial_copy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/ia64/lib/csum_partial_copy.c b/arch/ia64/lib/csum_partial_copy.c index bf9396b1ed32..9ab570d0f756 100644 --- a/arch/ia64/lib/csum_partial_copy.c +++ b/arch/ia64/lib/csum_partial_copy.c @@ -134,8 +134,8 @@ EXPORT_SYMBOL(csum_partial_copy_from_user); __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) { - return csum_partial_copy_from_user((__force const void __user *)src, - dst, len, sum, NULL); + memcpy(dst, src, len); + return csum_partial(dst, len, sum); } EXPORT_SYMBOL(csum_partial_copy_nocheck); -- 2.20.1