write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/net/atm/atm_sysfs.c
..
..
@@ -33,23 +33,17 @@
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 	unsigned long flags;
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 	struct atm_dev *adev = to_atm_dev(cdev);
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 	struct atm_dev_addr *aaddr;
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-	int bin[] = { 1, 2, 10, 6, 1 }, *fmt = bin;
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-	int i, j, count = 0;
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+	int count = 0;
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 	spin_lock_irqsave(&adev->lock, flags);
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 	list_for_each_entry(aaddr, &adev->local, entry) {
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-		for (i = 0, j = 0; i < ATM_ESA_LEN; ++i, ++j) {
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-			if (j == *fmt) {
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-				count += scnprintf(buf + count,
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-						   PAGE_SIZE - count, ".");
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-				++fmt;
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-				j = 0;
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-			}
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-			count += scnprintf(buf + count,
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-					   PAGE_SIZE - count, "%02x",
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-					   aaddr->addr.sas_addr.prv[i]);
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-		}
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-		count += scnprintf(buf + count, PAGE_SIZE - count, "\n");
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+		count += scnprintf(buf + count, PAGE_SIZE - count,
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+				   "%1phN.%2phN.%10phN.%6phN.%1phN\n",
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+				   &aaddr->addr.sas_addr.prv[0],
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+				   &aaddr->addr.sas_addr.prv[1],
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+				   &aaddr->addr.sas_addr.prv[3],
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+				   &aaddr->addr.sas_addr.prv[13],
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+				   &aaddr->addr.sas_addr.prv[19]);
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 	}
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 	spin_unlock_irqrestore(&adev->lock, flags);
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