From patchwork Thu Jul 26 04:49:00 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [v5,5/6] ps2: output warning when event queue full Date: Wed, 25 Jul 2012 18:49:00 -0000 From: Amos Kong X-Patchwork-Id: 173335 Message-Id: <1343278141-10843-6-git-send-email-akong@redhat.com> To: qemu-devel@nongnu.org Cc: aliguori@us.ibm.com, Amos Kong , eblake@redhat.com, lcapitulino@redhat.com Event would be ignored if ps2 queue is full, this patch added a warning in ignore path. Signed-off-by: Amos Kong --- hw/ps2.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/hw/ps2.c b/hw/ps2.c index f93cd24..799c36b 100644 --- a/hw/ps2.c +++ b/hw/ps2.c @@ -137,8 +137,10 @@ void ps2_queue(void *opaque, int b) PS2State *s = (PS2State *)opaque; PS2Queue *q = &s->queue; - if (q->count >= PS2_QUEUE_SIZE) + if (q->count >= PS2_QUEUE_SIZE) { + fprintf(stderr, "ps2: warning: event queue full\n"); return; + } q->data[q->wptr] = b; if (++q->wptr == PS2_QUEUE_SIZE) q->wptr = 0;