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Date:      Wed, 18 Jan 2017 02:22:07 +0000 (UTC)
From:      Pyun YongHyeon <yongari@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r312363 - stable/10/sys/dev/rl
Message-ID:  <201701180222.v0I2M76g076143@repo.freebsd.org>

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Author: yongari
Date: Wed Jan 18 02:22:07 2017
New Revision: 312363
URL: https://svnweb.freebsd.org/changeset/base/312363

Log:
  MFC r295736,295738:
  r295736:
    Remove duplicated check.
  
  r295738:
    Fix a bug introduced in r295736
    TX descriptor address should be updated for valid chain.

Modified:
  stable/10/sys/dev/rl/if_rl.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/dev/rl/if_rl.c
==============================================================================
--- stable/10/sys/dev/rl/if_rl.c	Wed Jan 18 02:16:17 2017	(r312362)
+++ stable/10/sys/dev/rl/if_rl.c	Wed Jan 18 02:22:07 2017	(r312363)
@@ -1938,15 +1938,13 @@ rl_stop(struct rl_softc *sc)
 	 */
 	for (i = 0; i < RL_TX_LIST_CNT; i++) {
 		if (sc->rl_cdata.rl_tx_chain[i] != NULL) {
-			if (sc->rl_cdata.rl_tx_chain[i] != NULL) {
-				bus_dmamap_sync(sc->rl_cdata.rl_tx_tag,
-				    sc->rl_cdata.rl_tx_dmamap[i],
-				    BUS_DMASYNC_POSTWRITE);
-				bus_dmamap_unload(sc->rl_cdata.rl_tx_tag,
-				    sc->rl_cdata.rl_tx_dmamap[i]);
-				m_freem(sc->rl_cdata.rl_tx_chain[i]);
-				sc->rl_cdata.rl_tx_chain[i] = NULL;
-			}
+			bus_dmamap_sync(sc->rl_cdata.rl_tx_tag,
+			    sc->rl_cdata.rl_tx_dmamap[i],
+			    BUS_DMASYNC_POSTWRITE);
+			bus_dmamap_unload(sc->rl_cdata.rl_tx_tag,
+			    sc->rl_cdata.rl_tx_dmamap[i]);
+			m_freem(sc->rl_cdata.rl_tx_chain[i]);
+			sc->rl_cdata.rl_tx_chain[i] = NULL;
 			CSR_WRITE_4(sc, RL_TXADDR0 + (i * sizeof(uint32_t)),
 			    0x0000000);
 		}



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