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| author | Jiunn Chang <c0d1n61at3@gmail.com> | 2019-06-26 22:25:30 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-29 11:06:17 -0700 |
| commit | 79293f49677e2e703ef0d0efc9919319adacb3fb (patch) | |
| tree | 76e8a78b1f2caf098a963d65265be98d176b9d08 | |
| parent | b60a77386b1d4868f72f6353d35dabe5fbe981f2 (diff) | |
packet: Fix undefined behavior in bit shift
Shifting signed 32-bit value by 31 bits is undefined. Changing most
significant bit to unsigned.
Changes included in v2:
- use subsystem specific subject lines
- CC required mailing lists
Signed-off-by: Jiunn Chang <c0d1n61at3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/uapi/linux/if_packet.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/uapi/linux/if_packet.h b/include/uapi/linux/if_packet.h index 467b654bd4c7..3d884d68eb30 100644 --- a/include/uapi/linux/if_packet.h +++ b/include/uapi/linux/if_packet.h @@ -123,7 +123,7 @@ struct tpacket_auxdata { /* Rx and Tx ring - header status */ #define TP_STATUS_TS_SOFTWARE (1 << 29) #define TP_STATUS_TS_SYS_HARDWARE (1 << 30) /* deprecated, never set */ -#define TP_STATUS_TS_RAW_HARDWARE (1 << 31) +#define TP_STATUS_TS_RAW_HARDWARE (1U << 31) /* Rx ring - feature request bits */ #define TP_FT_REQ_FILL_RXHASH 0x1 |