iscsid logging blank messages at level EMERG

reset head on wrap when buffer empty

Reported-By: David Jeffery <djeffery@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/usr/log.c b/usr/log.c
index 26c61d8..b730642 100644
--- a/usr/log.c
+++ b/usr/log.c
@@ -189,6 +189,9 @@ int log_enqueue (int prio, const char * fmt, va_list ap)
 	    (len + sizeof(struct logmsg)) > (la->end - la->tail)) {
 		logdbg(stderr, "enqueue: rewind tail to %p\n", la->tail);
 			la->tail = la->start;
+
+			if (la->empty)
+				la->head = lastmsg = la->tail;
 	}
 
 	/* not enough space on head : drop msg */