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@xxxxxxxxxx> --- arch/sparc/kernel/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 5ed43828e078..a41ad562ed4e 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -593,7 +593,7 @@ show_pciobppath_attr(struct device * dev, struct device_attribute * attr, char * pdev = to_pci_dev(dev); dp = pdev->dev.of_node; - return snprintf (buf, PAGE_SIZE, "%pOF\n", dp); + return scnprintf(buf, PAGE_SIZE, "%pOF\n", dp); } static DEVICE_ATTR(obppath, S_IRUSR | S_IRGRP | S_IROTH, show_pciobppath_attr, NULL); -- 2.20.1
