[PATCH net-next] net: dsa: yt921x: Fix missing type casting to u64
From: David Yang
Date: Fri Oct 24 2025 - 04:57:08 EST
Reported by the following Smatch static checker warning:
drivers/net/dsa/yt921x.c:702 yt921x_read_mib()
warn: was expecting a 64 bit value instead of '(~0)'
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Closes: https://lore.kernel.org/netdev/aPsjYKQMzpY0nSXm@stanley.mountain/
Signed-off-by: David Yang <mmyangfl@xxxxxxxxx>
---
drivers/net/dsa/yt921x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/yt921x.c b/drivers/net/dsa/yt921x.c
index ab762ffc4661..8baed8107512 100644
--- a/drivers/net/dsa/yt921x.c
+++ b/drivers/net/dsa/yt921x.c
@@ -699,7 +699,7 @@ static int yt921x_read_mib(struct yt921x_priv *priv, int port)
if (val < (u32)val)
/* overflow */
val += (u64)U32_MAX + 1;
- val &= ~U32_MAX;
+ val &= ~(u64)U32_MAX;
val |= val0;
} else {
res = yt921x_reg_read(priv, reg + 4, &val1);
--
2.51.0