linux-kernel - [PATCH] s390/dasd: Simplify code

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Message-Id: <20171209062926.31515-1-christophe.jaillet@wanadoo.fr>
Date:   Sat,  9 Dec 2017 07:29:26 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     sth@...ux.vnet.ibm.com, hoeppner@...ux.vnet.ibm.com,
        schwidefsky@...ibm.com, heiko.carstens@...ibm.com
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] s390/dasd: Simplify code

Use 'seq_printf(m, "...%*phN...")' instead of duplicating its
implementation.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/s390/block/dasd_eckd.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index a2edf2a7ace9..29397a9dba68 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -5231,7 +5231,7 @@ static int dasd_hosts_print(struct dasd_device *device, struct seq_file *m)
 	struct dasd_ckd_path_group_entry *entry;
 	struct dasd_ckd_host_information *info;
 	char sysplex[9] = "";
-	int rc, i, j;
+	int rc, i;
 
 	access = kzalloc(sizeof(*access), GFP_NOIO);
 	if (!access) {
@@ -5251,10 +5251,7 @@ static int dasd_hosts_print(struct dasd_device *device, struct seq_file *m)
 		entry = (struct dasd_ckd_path_group_entry *)
 			(info->entry + i * info->entry_size);
 		/* PGID */
-		seq_puts(m, "pgid ");
-		for (j = 0; j < 11; j++)
-			seq_printf(m, "%02x", entry->pgid[j]);
-		seq_putc(m, '\n');
+		seq_printf(m, "pgid %*phN\n", 11, entry->pgid);
 		/* FLAGS */
 		seq_printf(m, "status_flags %02x\n", entry->status_flags);
 		/* SYSPLEX NAME */
-- 
2.14.1