From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Sat, 22 Jun 2002 20:06:41 +0000 (+0000)
Subject: make sure bogus interrupts during ai insn don't cause problems
X-Git-Tag: r0_7_66~187
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=d42a930632a7b4e47da59ecdfe664696c77b6752;p=comedi.git

make sure bogus interrupts during ai insn don't cause problems
---

diff --git a/comedi/drivers/cb_pcidas64.c b/comedi/drivers/cb_pcidas64.c
index 7666a0c2..c2783a9c 100644
--- a/comedi/drivers/cb_pcidas64.c
+++ b/comedi/drivers/cb_pcidas64.c
@@ -1999,7 +1999,8 @@ static void handle_interrupt(int irq, void *d, struct pt_regs *regs)
 	if( status & ADC_DONE_BIT )
 	{
 		DEBUG_PRINT("adc done interrupt\n");
-		pio_drain_ai_fifo(dev);
+		if( private(dev)->ai_cmd_running )
+			pio_drain_ai_fifo(dev);
 	}
 
 	// if we are have all the data, then quit