Instead of dereferencing pointer and put values on stack we could use nice
%*phC specifier.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/net/usb/kalmia.c | 46 ++++++++++++++++------------------------------
 1 file changed, 16 insertions(+), 30 deletions(-)

diff --git a/drivers/net/usb/kalmia.c b/drivers/net/usb/kalmia.c
index 0192073..13ecfc5 100644
--- a/drivers/net/usb/kalmia.c
+++ b/drivers/net/usb/kalmia.c
@@ -221,12 +221,9 @@ done:
                memset(skb_put(skb, padlen), 0, padlen);
        }
 
-       netdev_dbg(
-               dev->net,
-               "Sending package with length %i and padding %i. Header: 
%02x:%02x:%02x:%02x:%02x:%02x.",
-               content_len, padlen, header_start[0], header_start[1],
-               header_start[2], header_start[3], header_start[4],
-               header_start[5]);
+       netdev_dbg(dev->net,
+               "Sending package with length %i and padding %i. Header: %6phC.",
+               content_len, padlen, header_start);
 
        return skb;
 }
@@ -263,32 +260,24 @@ kalmia_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                                sizeof(EXPECTED_UNKNOWN_HEADER_1)) || !memcmp(
                                header_start, EXPECTED_UNKNOWN_HEADER_2,
                                sizeof(EXPECTED_UNKNOWN_HEADER_2))) {
-                               netdev_dbg(
-                                       dev->net,
-                                       "Received expected unknown frame 
header: %02x:%02x:%02x:%02x:%02x:%02x. Package length: %i\n",
-                                       header_start[0], header_start[1],
-                                       header_start[2], header_start[3],
-                                       header_start[4], header_start[5],
+                               netdev_dbg(dev->net,
+                                       "Received expected unknown frame "
+                                       "header: %6phC. Package length: %i\n",
+                                       header_start,
                                        skb->len - KALMIA_HEADER_LENGTH);
                        }
                        else {
-                               netdev_err(
-                                       dev->net,
-                                       "Received unknown frame header: 
%02x:%02x:%02x:%02x:%02x:%02x. Package length: %i\n",
-                                       header_start[0], header_start[1],
-                                       header_start[2], header_start[3],
-                                       header_start[4], header_start[5],
+                               netdev_err(dev->net,
+                                       "Received unknown frame header: %6phC. "
+                                       "Package length: %i\n", header_start,
                                        skb->len - KALMIA_HEADER_LENGTH);
                                return 0;
                        }
                }
                else
-                       netdev_dbg(
-                               dev->net,
-                               "Received header: 
%02x:%02x:%02x:%02x:%02x:%02x. Package length: %i\n",
-                               header_start[0], header_start[1], 
header_start[2],
-                               header_start[3], header_start[4], 
header_start[5],
-                               skb->len - KALMIA_HEADER_LENGTH);
+                       netdev_dbg(dev->net,
+                               "Received header: %6phC. Package length: %i\n",
+                               header_start, skb->len - KALMIA_HEADER_LENGTH);
 
                /* subtract start header and end header */
                usb_packet_length = skb->len - (2 * KALMIA_HEADER_LENGTH);
@@ -310,12 +299,9 @@ kalmia_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
                                sizeof(HEADER_END_OF_USB_PACKET)) == 0);
                        if (!is_last) {
                                header_start = skb->data + ether_packet_length;
-                               netdev_dbg(
-                                       dev->net,
-                                       "End header: 
%02x:%02x:%02x:%02x:%02x:%02x. Package length: %i\n",
-                                       header_start[0], header_start[1],
-                                       header_start[2], header_start[3],
-                                       header_start[4], header_start[5],
+                               netdev_dbg(dev->net,
+                                       "End header: %6phC. Package length: %i"
+                                       "\n", header_start,
                                        skb->len - KALMIA_HEADER_LENGTH);
                        }
                }
-- 
1.8.2.rc0.22.gb3600c3

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