K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2021-06-17T14:55:45.075539Z
K 7
svn:log
V 414
dummynet: free(NULL, M_DUMMYNET); is safe

There's no need to check pointers for NULL before free()ing them.

No functional change.

MFC after:	2 weeks
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D30382

(cherry picked from commit 1b2dbe37fa32d7255faf7d1feec7bb31414a8102)

Git Hash:   719f6456fbdee54f94109f945d7d945b2abf9589
Git Author: kp@FreeBSD.org
END