The branch main has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=3fc1786aa2a3f590453abb6ea2351a12e19f6b45
commit 3fc1786aa2a3f590453abb6ea2351a12e19f6b45 Author: Barbara Skobiej <[email protected]> AuthorDate: 2026-08-11 19:34:13 +0000 Commit: Kevin Bowling <[email protected]> CommitDate: 2026-08-11 20:59:32 +0000 igc: fix data type in MAC hash DPDK commit message net/e1000/base: fix data type in MAC hash One of the bit shifts in MAC hash calculation triggers a static analysis warning about a potential overflow. Fix the data type to avoid this. Fixes: af75078fece3 ("first public release") Cc: [email protected] Signed-off-by: Barbara Skobiej <[email protected]> Signed-off-by: Anatoly Burakov <[email protected]> Acked-by: Bruce Richardson <[email protected]> Obtained from: DPDK (458734aaac) MFC after: 2 weeks --- sys/dev/igc/igc_mac.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sys/dev/igc/igc_mac.c b/sys/dev/igc/igc_mac.c index 2c32f0c7a606..add6a7327ab6 100644 --- a/sys/dev/igc/igc_mac.c +++ b/sys/dev/igc/igc_mac.c @@ -354,8 +354,10 @@ u32 igc_hash_mc_addr_generic(struct igc_hw *hw, u8 *mc_addr) break; } - hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) | - (((u16) mc_addr[5]) << bit_shift))); + hash_value = (u32)mc_addr[4]; + hash_value >>= 8 - bit_shift; + hash_value |= (u32)mc_addr[5] << bit_shift; + hash_value &= hash_mask; return hash_value; }
