1 files changed, 16 insertions, 18 deletions

diff --git a/lib/libc/net/sourcefilter.c b/lib/libc/net/sourcefilter.c
index 14812c51cd74..cc0f1b971e91 100644
--- a/lib/libc/net/sourcefilter.c
+++ b/lib/libc/net/sourcefilter.c
@@ -1,6 +1,6 @@
 /*-
- * Copyright (c) 2007 Bruce M. Simpson.
- * All rights reserved
+ * Copyright (c) 2007-2009 Bruce Simpson.
+ * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,21 +10,18 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of Bruce M. Simpson nor the names of other
- *    contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
  *
- * THIS SOFTWARE IS PROVIDED BY BRUCE M. SIMPSON AND AFFILIATES
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL BRUCE M. SIMPSON OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
  */
 
 #include <sys/cdefs.h>
@@ -340,7 +337,7 @@ getsourcefilter(int s, uint32_t interface, struct sockaddr *group,
 {
 	struct __msfilterreq	 msfr;
 	sockunion_t		*psu;
-	int			 err, level, optlen, optname;
+	int			 err, level, nsrcs, optlen, optname;
 
 	if (interface == 0 || group == NULL || numsrc == NULL ||
 	    fmode == NULL) {
@@ -348,6 +345,7 @@ getsourcefilter(int s, uint32_t interface, struct sockaddr *group,
 		return (-1);
 	}
 
+	nsrcs = *numsrc;
 	*numsrc = 0;
 	*fmode = 0;
 
@@ -385,7 +383,7 @@ getsourcefilter(int s, uint32_t interface, struct sockaddr *group,
 	memset(&msfr, 0, optlen);
 	msfr.msfr_ifindex = interface;
 	msfr.msfr_fmode = 0;
-	msfr.msfr_nsrcs = *numsrc;
+	msfr.msfr_nsrcs = nsrcs;
 	memcpy(&msfr.msfr_group, &psu->ss, psu->ss.ss_len);
 
 	/*