Author: arybchik
Date: Sat Jun 4 17:19:25 2016
New Revision: 301397
URL: https://svnweb.freebsd.org/changeset/base/301397
Log:
MFC r300845
sfxge(4): cope with lint for EFX_SET_OWORD_BIT() with const bit arg
Found by lint on illumos.
Submitted by: Garrett D'Amore <garrett at damore.org>
Sponsored by: Solarflare Communications, Inc.
Modified:
stable/10/sys/dev/sfxge/common/siena_mac.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/dev/sfxge/common/siena_mac.c
==============================================================================
--- stable/10/sys/dev/sfxge/common/siena_mac.c Sat Jun 4 17:18:35 2016
(r301396)
+++ stable/10/sys/dev/sfxge/common/siena_mac.c Sat Jun 4 17:19:25 2016
(r301397)
@@ -158,8 +158,17 @@ siena_mac_reconfigure(
* so we always add bit 0xff to the mask (bit 0x7f in the
* second octword).
*/
- if (epp->ep_brdcst)
+ if (epp->ep_brdcst) {
+ /*
+ * NOTE: due to constant folding, some of this evaluates
+ * to null expressions, giving E_EXPR_NULL_EFFECT during
+ * lint on Illumos. No good way to fix this without
+ * explicit coding the individual word/bit setting.
+ * So just suppress lint for this one line.
+ */
+ /* LINTED */
EFX_SET_OWORD_BIT(multicast_hash[1], 0x7f);
+ }
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_SET_MCAST_HASH;
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