linux-kernel - linux-next: build failure after merge of the akpm-current tree

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Date:   Fri, 22 Oct 2021 19:38:53 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        Eddie James <eajames@...ux.ibm.com>,
        Joel Stanley <joel@....id.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the akpm-current tree

Hi all,

After merging the akpm-current tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/hwmon/occ/p9_sbe.c: In function 'p9_sbe_occ_save_ffdc':
drivers/hwmon/occ/p9_sbe.c:58:5: error: implicit declaration of function 'kvfree' [-Werror=implicit-function-declaration]
   58 |     kvfree(ctx->ffdc);
      |     ^~~~~~
drivers/hwmon/occ/p9_sbe.c:59:16: error: implicit declaration of function 'kvmalloc'; did you mean 'key_alloc'? [-Werror=implicit-function-declaration]
   59 |    ctx->ffdc = kvmalloc(resp_len, GFP_KERNEL);
      |                ^~~~~~~~
      |                key_alloc
drivers/hwmon/occ/p9_sbe.c:59:14: error: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion]
   59 |    ctx->ffdc = kvmalloc(resp_len, GFP_KERNEL);
      |              ^
cc1: all warnings being treated as errors

Caused by commit

  5027a34a575e ("hwmon: (occ) Provide the SBEFIFO FFDC in binary sysfs")

from the fsi tree interacting with commit

  9192e3be4cc2 ("mm: move kvmalloc-related functions to slab.h")

from the akpm-current tree.

I have applied the following merge fix patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Fri, 22 Oct 2021 19:32:54 +1100
Subject: [PATCH] kvmalloc etc moved to slab.h

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/hwmon/occ/p9_sbe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/occ/p9_sbe.c b/drivers/hwmon/occ/p9_sbe.c
index e50243580269..bb082eb52243 100644
--- a/drivers/hwmon/occ/p9_sbe.c
+++ b/drivers/hwmon/occ/p9_sbe.c
@@ -4,10 +4,10 @@
 #include <linux/device.h>
 #include <linux/errno.h>
 #include <linux/fsi-occ.h>
-#include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/sysfs.h>
 
-- 
2.33.0

-- 
Cheers,
Stephen Rothwell

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