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SubjectRe: [RFC][PATCH 05/14] ia64: csum_partial_copy_nocheck(): don't abuse csum_partial_copy_from_user()
On Wed, Jun 03, 2020 at 08:37:14AM -0700, Guenter Roeck wrote:
> On Fri, Mar 27, 2020 at 11:31:08PM +0000, Al Viro wrote:
> > From: Al Viro <viro@zeniv.linux.org.uk>
> >
> > 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 <viro@zeniv.linux.org.uk>
>
> This patch results in:
>
> arch/ia64/lib/csum_partial_copy.c: In function 'csum_partial_copy_nocheck':
> arch/ia64/lib/csum_partial_copy.c:110:9: error: implicit declaration of function 'csum_partial'
>
> for ia64:{defconfig, allnoconfig, tinyconfig}.

Argh...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
diff --git a/arch/ia64/lib/csum_partial_copy.c b/arch/ia64/lib/csum_partial_copy.c
index 5d147a33d648..6e82e0be8040 100644
--- a/arch/ia64/lib/csum_partial_copy.c
+++ b/arch/ia64/lib/csum_partial_copy.c
@@ -12,7 +12,7 @@
#include <linux/types.h>
#include <linux/string.h>

-#include <linux/uaccess.h>
+#include <net/checksum.h>

/*
* XXX Fixme: those 2 inlines are meant for debugging and will go away
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