On Thu, Jan 23, 2025 at 11:31:28AM +0100, Niklas Cassel wrote:
> Increase the size of the string buffer to avoid potential truncation in
> pci_endpoint_test_probe().
>
> This fixes the following build warning when compiling with W=1:
>
> drivers/misc/pci_endpoint_test.c:29:49: note: directive argument in the range [0, 2147483647]
> 29 | #define DRV_MODULE_NAME "pci-endpoint-test"
> | ^~~~~~~~~~~~~~~~~~~
> drivers/misc/pci_endpoint_test.c:998:38: note: in expansion of macro ‘DRV_MODULE_NAME’
> 998 | snprintf(name, sizeof(name), DRV_MODULE_NAME ".%d", id);
> | ^~~~~~~~~~~~~~~
> drivers/misc/pci_endpoint_test.c:998:9: note: ‘snprintf’ output between 20 and 29 bytes into a destination of size 24
> 998 | snprintf(name, sizeof(name), DRV_MODULE_NAME ".%d", id);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Signed-off-by: Niklas Cassel <cassel@xxxxxxxxxx>
> ---
Reviewed-by: Frank Li <Frank.Li@xxxxxxx>
> drivers/misc/pci_endpoint_test.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
> index 8e48a15100f1..b0db94161d31 100644
> --- a/drivers/misc/pci_endpoint_test.c
> +++ b/drivers/misc/pci_endpoint_test.c
> @@ -912,7 +912,7 @@ static int pci_endpoint_test_probe(struct pci_dev *pdev,
> {
> int ret;
> int id;
> - char name[24];
> + char name[29];
> enum pci_barno bar;
> void __iomem *base;
> struct device *dev = &pdev->dev;
> --
> 2.48.1
>
