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Fix list empty checks

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1159 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2008-11-07 20:08:41 +00:00
parent 3c1f0828b2
commit 875ea61fa6
1 changed files with 2 additions and 2 deletions
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drivers/can.c
+2 -2
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@@ -346,7 +346,7 @@ static int can_xmit(FAR struct can_dev_s *dev)
/* Check if the xmit FIFO is empty */
if (dev->cd_xmit.cf_head != dev->cd_xmit.cf_head)
if (dev->cd_xmit.cf_head != dev->cd_xmit.cf_tail)
{
/* Send the next message at the head of the FIFO */
@@ -728,7 +728,7 @@ int can_txdone(FAR struct can_dev_s *dev)
/* Verify that the xmit FIFO is not empty */
if (dev->cd_xmit.cf_head != dev->cd_xmit.cf_head)
if (dev->cd_xmit.cf_head != dev->cd_xmit.cf_tail)
{
/* Remove the message at the head of the xmit FIFO */