[PATCH net-next 02/27] can: ti_hecc: fix -Woverflow compiler warning
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: 2025-07-25 16:13:33
Also in:
linux-can
Subsystem:
can network drivers, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds
From: Vincent Mailhol <redacted>
Fix below default (W=0) warning:
drivers/net/can/ti_hecc.c: In function 'ti_hecc_start':
drivers/net/can/ti_hecc.c:386:20: warning: conversion from 'long unsigned int' to 'u32' {aka 'unsigned int'} changes value from '18446744073709551599' to '4294967279' [-Woverflow]
386 | mbx_mask = ~BIT(HECC_RX_LAST_MBOX);
| ^
Signed-off-by: Vincent Mailhol <redacted>
Link: https://patch.msgid.link/20250715-can-compile-test-v2-1-f7fd566db86f@wanadoo.fr
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
drivers/net/can/ti_hecc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 644e8b8eb91e..e6d6661a908a 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c@@ -383,7 +383,7 @@ static void ti_hecc_start(struct net_device *ndev) * overflows instead of the hardware silently dropping the * messages. */ - mbx_mask = ~BIT(HECC_RX_LAST_MBOX); + mbx_mask = ~BIT_U32(HECC_RX_LAST_MBOX); hecc_write(priv, HECC_CANOPC, mbx_mask); /* Enable interrupts */
--
2.47.2