tpm: simplify code by using %*phN specifier

Instead of looping by ourselves we may use %*phN specifier to dump a small
buffer.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
[ PHuewe: removed now unused variable i ]
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>

diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c
index 59f7cb2..3a56a13 100644 (file)
--- a/drivers/char/tpm/tpm_eventlog.c
+++ b/drivers/char/tpm/tpm_eventlog.c
@@ -235,7 +235,6 @@ static int tpm_bios_measurements_release(struct inode *inode,
 static int tpm_ascii_bios_measurements_show(struct seq_file *m, void *v)
 {
        int len = 0;
-       int i;
        char *eventname;
        struct tcpa_event *event = v;
        unsigned char *event_entry =
@@ -251,8 +250,7 @@ static int tpm_ascii_bios_measurements_show(struct seq_file *m, void *v)
        seq_printf(m, "%2d ", event->pcr_index);
 
        /* 2nd: SHA1 */
-       for (i = 0; i < 20; i++)
-               seq_printf(m, "%02x", event->pcr_value[i]);
+       seq_printf(m, "%20phN", event->pcr_value);
 
        /* 3rd: event type identifier */
        seq_printf(m, " %02x", event->event_type);