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

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Date:   Thu, 28 Jul 2022 20:55:43 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Kees Cook <keescook@...omium.org>,
        Alasdair G Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>
Cc:     Matthias Kaehlcke <mka@...omium.org>,
        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 kspp tree

Hi all,

After merging the kspp tree, today's linux-next build (powerpc
allyesconfig) failed like this:

drivers/md/dm-verity-loadpin.c: In function 'dm_verity_loadpin_is_bdev_trusted':
drivers/md/dm-verity-loadpin.c:61:13: error: implicit declaration of function 'dm_table_get_num_targets'; did you mean 'dm_table_resume_targets'? [-Werror=implicit-function-declaration]
   61 |         if (dm_table_get_num_targets(table) != 1)
      |             ^~~~~~~~~~~~~~~~~~~~~~~~
      |             dm_table_resume_targets
drivers/md/dm-verity-loadpin.c:64:14: error: implicit declaration of function 'dm_table_get_target'; did you mean 'dm_table_add_target'? [-Werror=implicit-function-declaration]
   64 |         ti = dm_table_get_target(table, 0);
      |              ^~~~~~~~~~~~~~~~~~~
      |              dm_table_add_target
drivers/md/dm-verity-loadpin.c:64:12: error: assignment to 'struct dm_target *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion]
   64 |         ti = dm_table_get_target(table, 0);
      |            ^

Caused by commit

  b6c1c5745ccc ("dm: Add verity helpers for LoadPin")

interacting with commits

  2aec377a2925 ("dm table: remove dm_table_get_num_targets() wrapper")
  564b5c5476cd ("dm table: audit all dm_table_get_target() callers")

from the device-mapper tree.

I have applied the following merge fix patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 28 Jul 2022 20:28:41 +1000
Subject: [PATCH] fix up for "dm: Add verity helpers for LoadPin"

interacting with

  2aec377a2925 ("dm table: remove dm_table_get_num_targets() wrapper")
  564b5c5476cd ("dm table: audit all dm_table_get_target() callers")

from the device-mapper tree.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/md/dm-verity-loadpin.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/md/dm-verity-loadpin.c b/drivers/md/dm-verity-loadpin.c
index 10c18bc1652c..387ec43aef72 100644
--- a/drivers/md/dm-verity-loadpin.c
+++ b/drivers/md/dm-verity-loadpin.c
@@ -5,6 +5,7 @@
 #include <linux/dm-verity-loadpin.h>
 
 #include "dm.h"
+#include "dm-core.h"
 #include "dm-verity.h"
 
 #define DM_MSG_PREFIX	"verity-loadpin"
@@ -58,7 +59,7 @@ bool dm_verity_loadpin_is_bdev_trusted(struct block_device *bdev)
 
 	table = dm_get_live_table(md, &srcu_idx);
 
-	if (dm_table_get_num_targets(table) != 1)
+	if (table->num_targets != 1)
 		goto out;
 
 	ti = dm_table_get_target(table, 0);
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell

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