Shifting signed 32-bit value by 31 bits is undefined. Changing most significant bit to unsigned.
Signed-off-by: Jiunn Chang <c0d1n61...@gmail.com> --- include/uapi/linux/ethtool.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index 3534ce157ae9..859b2e99c000 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -1691,7 +1691,7 @@ static inline int ethtool_validate_duplex(__u8 duplex) #define RXH_IP_DST (1 << 5) #define RXH_L4_B_0_1 (1 << 6) /* src port in case of TCP/UDP/SCTP */ #define RXH_L4_B_2_3 (1 << 7) /* dst port in case of TCP/UDP/SCTP */ -#define RXH_DISCARD (1 << 31) +#define RXH_DISCARD (1U << 31) #define RX_CLS_FLOW_DISC 0xffffffffffffffffULL #define RX_CLS_FLOW_WAKE 0xfffffffffffffffeULL -- 2.22.0
