hostap: use %*ph to print small buffer

Use %*ph format to print small buffer as hex string.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/intersil/hostap/hostap_download.c

@@ -407,10 +407,8 @@ static int prism2_enable_genesis(local_info_t *local, int hcr)
 		       hcr);
 		return 0;
 	} else {
-		printk(KERN_DEBUG "Readback test failed, HCR 0x%02x "
-		       "write %02x %02x %02x %02x read %02x %02x %02x %02x\n",
-		       hcr, initseq[0], initseq[1], initseq[2], initseq[3],
-		       readbuf[0], readbuf[1], readbuf[2], readbuf[3]);
+		printk(KERN_DEBUG "Readback test failed, HCR 0x%02x write %4ph read %4ph\n",
+		       hcr, initseq, readbuf);
 		return 1;
 	}
 }

drivers/net/wireless/intersil/hostap/hostap_plx.c

@@ -352,8 +352,7 @@ static int prism2_plx_check_cis(void __iomem *attr_mem, int attr_len,
 	/* read CIS; it is in even offsets in the beginning of attr_mem */
 	for (i = 0; i < CIS_MAX_LEN; i++)
 		cis[i] = readb(attr_mem + 2 * i);
-	printk(KERN_DEBUG "%s: CIS: %02x %02x %02x %02x %02x %02x ...\n",
-	       dev_info, cis[0], cis[1], cis[2], cis[3], cis[4], cis[5]);
+	printk(KERN_DEBUG "%s: CIS: %6ph ...\n", dev_info, cis);
 
 	/* set reasonable defaults for Prism2 cards just in case CIS parsing
 	 * fails */