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net: atm: use %*ph to print small buffer

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Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andy Shevchenko
2020-01-23 16:20:02 +02:00
committed by David S. Miller
parent edc7e4898d
commit 79ac522402
2 changed files with 28 additions and 70 deletions
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22
net/atm/atm_sysfs.c
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@@ -33,23 +33,17 @@ static ssize_t show_atmaddress(struct device *cdev,
unsigned long flags;
struct atm_dev *adev = to_atm_dev(cdev);
struct atm_dev_addr *aaddr;
int bin[] = { 1, 2, 10, 6, 1 }, *fmt = bin;
int i, j, count = 0;
int count = 0;
spin_lock_irqsave(&adev->lock, flags);
list_for_each_entry(aaddr, &adev->local, entry) {
for (i = 0, j = 0; i < ATM_ESA_LEN; ++i, ++j) {
if (j == *fmt) {
count += scnprintf(buf + count,
PAGE_SIZE - count, ".");
++fmt;
j = 0;
}
count += scnprintf(buf + count,
PAGE_SIZE - count, "%02x",
aaddr->addr.sas_addr.prv[i]);
}
count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
count += scnprintf(buf + count, PAGE_SIZE - count,
"%1phN.%2phN.%10phN.%6phN.%1phN\n",
&aaddr->addr.sas_addr.prv[0],
&aaddr->addr.sas_addr.prv[1],
&aaddr->addr.sas_addr.prv[3],
&aaddr->addr.sas_addr.prv[13],
&aaddr->addr.sas_addr.prv[19]);
}
spin_unlock_irqrestore(&adev->lock, flags);