linux-kernel - [PATCH] dm: verity-loadpin: Drop use of dm_table_get_num

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Message-Id: <20220728085412.1.I242d21b378410eb6f9897a3160efb56e5608c59d@changeid>
Date:   Thu, 28 Jul 2022 08:54:41 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        James Morris <jmorris@...ei.org>,
        "Serge E . Hallyn" <serge@...lyn.com>
Cc:     Douglas Anderson <dianders@...omium.org>, dm-devel@...hat.com,
        Song Liu <song@...nel.org>, linux-kernel@...r.kernel.org,
        Milan Broz <gmazyland@...il.com>, linux-raid@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        Matthias Kaehlcke <mka@...omium.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCH] dm: verity-loadpin: Drop use of dm_table_get_num_targets()

Commit 2aec377a2925 ("dm table: remove dm_table_get_num_targets()
wrapper") in linux-dm/for-next removed the function
dm_table_get_num_targets() which is used by verity-loadpin. Access
table->num_targets directly instead of using the defunct wrapper.

Fixes: b6c1c5745ccc ("dm: Add verity helpers for LoadPin")
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
---

 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);
-- 
2.37.1.455.g008518b4e5-goog