linux-kernel - [PATCH] alpha: csum_partial_copy.c: add function prototypes from <net/checksum.h>

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Date:   Sun, 25 Apr 2021 16:57:49 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>, linux-alpha@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] alpha: csum_partial_copy.c: add function prototypes from <net/checksum.h>

Fix "no previous prototype" W=1 warnings from the kernel test robot:

../arch/alpha/lib/csum_partial_copy.c:349:1: error: no previous prototype for 'csum_and_copy_from_user' [-Werror=missing-prototypes]
  349 | csum_and_copy_from_user(const void __user *src, void *dst, int len)
      | ^~~~~~~~~~~~~~~~~~~~~~~
../arch/alpha/lib/csum_partial_copy.c:358:1: error: no previous prototype for 'csum_partial_copy_nocheck' [-Werror=missing-prototypes]
  358 | csum_partial_copy_nocheck(const void *src, void *dst, int len)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~

Fixes: 808b49da54e6 ("alpha: turn csum_partial_copy_from_user() into csum_and_copy_from_user()")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Reported-by: kernel test robot <lkp@...el.com>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Richard Henderson <rth@...ddle.net>
Cc: Ivan Kokshaysky <ink@...assic.park.msu.ru>
Cc: Matt Turner <mattst88@...il.com>
Cc: linux-alpha@...r.kernel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
Adding the header file suggested by Al.

 arch/alpha/lib/csum_partial_copy.c |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20210423.orig/arch/alpha/lib/csum_partial_copy.c
+++ linux-next-20210423/arch/alpha/lib/csum_partial_copy.c
@@ -13,6 +13,7 @@
 #include <linux/types.h>
 #include <linux/string.h>
 #include <linux/uaccess.h>
+#include <net/checksum.h>
 
 
 #define ldq_u(x,y) \