[PATCH net 2/3] rtase: Fix the compile warning reported by the kernel test robot

From: Justin Lai
Date: Tue Apr 15 2025 - 08:27:27 EST


Fix the following compile warning reported by the kernel test robot by
increasing the size of ivec->name.

drivers/net/ethernet/realtek/rtase/rtase_main.c: In function 'rtase_open':
>> drivers/net/ethernet/realtek/rtase/rtase_main.c:1117:52: warning:
'%i' directive output may be truncated writing between 1 and 10 bytes
into a region of size between 7 and 22 [-Wformat-truncation=]
snprintf(ivec->name, sizeof(ivec->name), "%s_int%i",
^~
drivers/net/ethernet/realtek/rtase/rtase_main.c:1117:45: note:
directive argument in the range [0, 2147483647]
snprintf(ivec->name, sizeof(ivec->name), "%s_int%i",
^~~~~~~~~~
drivers/net/ethernet/realtek/rtase/rtase_main.c:1117:4: note:
'snprintf' output between 6 and 30 bytes into a destination of
size 26
snprintf(ivec->name, sizeof(ivec->name), "%s_int%i",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
tp->dev->name, i);
~~~~~~~~~~~~~~~~~

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202503182158.nkAlbJWX-lkp@xxxxxxxxx/
Fixes: a36e9f5cfe9e ("rtase: Add support for a pci table in this module")
Signed-off-by: Justin Lai <justinlai0215@xxxxxxxxxxx>
---
drivers/net/ethernet/realtek/rtase/rtase.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/realtek/rtase/rtase.h b/drivers/net/ethernet/realtek/rtase/rtase.h
index 2bbfcad613ab..1e63b5826da1 100644
--- a/drivers/net/ethernet/realtek/rtase/rtase.h
+++ b/drivers/net/ethernet/realtek/rtase/rtase.h
@@ -259,7 +259,7 @@ union rtase_rx_desc {
#define RTASE_VLAN_TAG_MASK GENMASK(15, 0)
#define RTASE_RX_PKT_SIZE_MASK GENMASK(13, 0)

-#define RTASE_IVEC_NAME_SIZE (IFNAMSIZ + 10)
+#define RTASE_IVEC_NAME_SIZE (IFNAMSIZ + 14)

struct rtase_int_vector {
struct rtase_private *tp;
--
2.34.1