git: b3d4891af03d - main - enetc: Fix VID/mcast address hash calculation

[Wojciech Macek]

The branch main has been updated by wma:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=b3d4891af03d1d4fe497b537519ed4995630aa08

commit b3d4891af03d1d4fe497b537519ed4995630aa08
Author:     Kornel Duleba <min...@semihalf.com>
AuthorDate: 2021-11-30 08:23:29 +0000
Commit:     Wojciech Macek <w...@freebsd.org>
CommitDate: 2021-12-08 08:32:51 +0000

    enetc: Fix VID/mcast address hash calculation
    
    The hash is calculated by XOR-ing together bits of the VID.
    Prepend a statement with "!!" to make sure that we're get bit 0
    on both sides of the equation.
    
    Obtained from: Semihalf
    Sponsored by: Alstom Group
---
 sys/dev/enetc/if_enetc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/enetc/if_enetc.c b/sys/dev/enetc/if_enetc.c
index abdb527760f6..e05e551ff48f 100644
--- a/sys/dev/enetc/if_enetc.c
+++ b/sys/dev/enetc/if_enetc.c
@@ -811,7 +811,7 @@ enetc_hash_mac(void *arg, struct sockaddr_dl *sdl, u_int 
cnt)
        for (i = 0; i < 6; i++) {
                bit = 0;
                for (j = 0; j < 8; j++)
-                       bit ^= address & BIT(i + j*6);
+                       bit ^= !!(address & BIT(i + j*6));
 
                hash |= bit << i;
        }
@@ -852,7 +852,7 @@ enetc_hash_vid(uint16_t vid)
 
        for (i = 0;i < 6;i++) {
                bit = vid & BIT(i);
-               bit ^= vid & BIT(i + 6);
+               bit ^= !!(vid & BIT(i + 6));
                hash |= bit << i;
        }