Author: adrian
Date: Mon May 13 21:17:27 2013
New Revision: 250618
URL: http://svnweb.freebsd.org/changeset/base/250618
Log:
Support sending ATH_ALQ messages with no payload.
Modified:
head/sys/dev/ath/if_ath_alq.c
Modified: head/sys/dev/ath/if_ath_alq.c
==============================================================================
--- head/sys/dev/ath/if_ath_alq.c Mon May 13 20:28:24 2013
(r250617)
+++ head/sys/dev/ath/if_ath_alq.c Mon May 13 21:17:27 2013
(r250618)
@@ -184,9 +184,11 @@ if_ath_alq_post(struct if_ath_alq *alq,
/*
* Copy the payload _after_ the header field.
*/
- memcpy(((char *) ap) + sizeof(struct if_ath_alq_hdr),
- buf,
- len);
+ if (buf != NULL) {
+ memcpy(((char *) ap) + sizeof(struct if_ath_alq_hdr),
+ buf,
+ len);
+ }
alq_post(alq->sc_alq_alq, ale);
}
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