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Date:      Tue, 19 Jul 2011 12:15:20 GMT
From:      Takuya ASADA <syuu@FreeBSD.org>
To:        Perforce Change Reviews <perforce@FreeBSD.org>
Subject:   PERFORCE change 196397 for review
Message-ID:  <201107191215.p6JCFKSD080547@skunkworks.freebsd.org>

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http://p4web.freebsd.org/@@196397?ac=10

Change 196397 by syuu@kikurage on 2011/07/19 12:14:18

	NULL check before free()

Affected files ...

.. //depot/projects/soc2011/mq_bpf/src/sys/net/bpf.c#14 edit

Differences ...

==== //depot/projects/soc2011/mq_bpf/src/sys/net/bpf.c#14 (text+ko) ====

@@ -1568,8 +1568,11 @@
 				break;
 			}
 			d->bd_qmask.qm_enabled = FALSE;
-			free(d->bd_qmask.qm_rxq_mask, M_BPF);
-			free(d->bd_qmask.qm_txq_mask, M_BPF);
+			
+			if (d->bd_qmask.qm_rxq_mask != NULL)
+				free(d->bd_qmask.qm_rxq_mask, M_BPF);
+			if (d->bd_qmask.qm_txq_mask != NULL)
+				free(d->bd_qmask.qm_txq_mask, M_BPF);
 			break;
 		}
 



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