Replace use of snprintf() with scnprintf() in order to adhere to the rules in Documentation/filesystems/sysfs.txt, as per: show() must not use snprintf() when formatting the value to be returned to user space. If you can guarantee that an overflow will never happen you can use sprintf() otherwise you must use scnprintf(). There is no change to the functionality. Related: https://patchwork.kernel.org/patch/9946759/#20969333 https://lwn.net/Articles/69419 Suggested-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Signed-off-by: Krzysztof Wilczyński <kw@xxxxxxxxx> --- drivers/pci/pci-sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 6d78df981d41..ed66d387e913 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -574,7 +574,7 @@ static ssize_t driver_override_show(struct device *dev, ssize_t len; device_lock(dev); - len = snprintf(buf, PAGE_SIZE, "%s\n", pdev->driver_override); + len = scnprintf(buf, PAGE_SIZE, "%s\n", pdev->driver_override); device_unlock(dev); return len; } -- 2.28.0
