iscsi-target: use '%*ph' specifier to dump hex buffer

Instead of pushing each byte via stack the %*ph specifier allows to supply just
a pointer and length of the buffer. The patch converts code to use the
specifier.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index 9059c1e0b26e559dc0c1f69b3b97625d7cb806e4..526becd763cf622ef8d403f3de36fbf73dc6ddab 100644 (file)
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -674,12 +674,9 @@ static ssize_t lio_target_nacl_show_info(
                rb += sprintf(page+rb, "InitiatorAlias: %s\n",
                        sess->sess_ops->InitiatorAlias);
 
-               rb += sprintf(page+rb, "LIO Session ID: %u   "
-                       "ISID: 0x%02x %02x %02x %02x %02x %02x  "
-                       "TSIH: %hu  ", sess->sid,
-                       sess->isid[0], sess->isid[1], sess->isid[2],
-                       sess->isid[3], sess->isid[4], sess->isid[5],
-                       sess->tsih);
+               rb += sprintf(page+rb,
+                             "LIO Session ID: %u   ISID: 0x%6ph  TSIH: %hu  ",
+                             sess->sid, sess->isid, sess->tsih);
                rb += sprintf(page+rb, "SessionType: %s\n",
                                (sess->sess_ops->SessionType) ?
                                "Discovery" : "Normal");
@@ -1758,9 +1755,7 @@ static u32 lio_sess_get_initiator_sid(
        /*
         * iSCSI Initiator Session Identifier from RFC-3720.
         */
-       return snprintf(buf, size, "%02x%02x%02x%02x%02x%02x",
-               sess->isid[0], sess->isid[1], sess->isid[2],
-               sess->isid[3], sess->isid[4], sess->isid[5]);
+       return snprintf(buf, size, "%6phN", sess->isid);
 }
 
 static int lio_queue_data_in(struct se_cmd *se_cmd)