[PATCH] misc: pci_endpoint_test: Fix potential truncation in pci_endpoint_test_probe()

[Niklas Cassel <cassel@kernel.org>]

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@kernel.org>
---
 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