reset head on wrap when buffer empty
Reported-By: David Jeffery <[email protected]>
---
usr/log.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/usr/log.c b/usr/log.c
index 26c61d847793..b730642779bf 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 */
--
2.14.4
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