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sparc: use scnprintf() in show_pciobppath_attr() in pci.c
snprintf() returns the number of bytes that would be written, which may be greater than the the actual length to be written. show_pciobppath_attr() should return the number of bytes printed into the buffer. This is the return value of scnprintf(). Signed-off-by: Chen Zhou <chenzhou10@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -593,7 +593,7 @@ show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char *
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pdev = to_pci_dev(dev);
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dp = pdev->dev.of_node;
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return snprintf (buf, PAGE_SIZE, "%pOF\n", dp);
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return scnprintf(buf, PAGE_SIZE, "%pOF\n", dp);
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}
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static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL);
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