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drivers/usbdev: Move test for NULL pointer before the pointer is deferences. Noted by Juha Niskanen.

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This commit is contained in:
Gregory Nutt
2017-10-18 11:06:14 -06:00
parent cc09e77a94
commit d29cb09da3
1 changed files with 2 additions and 1 deletions
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drivers/usbdev/cdcacm.c
+2 -1
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@@ -480,10 +480,11 @@ static int cdcacm_recvpacket(FAR struct cdcacm_dev_s *priv,
uint16_t nexthead; uint16_t nexthead;
uint16_t nbytes = 0; uint16_t nbytes = 0;
DEBUGASSERT(priv != NULL && rdcontainer != NULL);
uinfo("head=%d tail=%d nrdq=%d reqlen=%d\n", uinfo("head=%d tail=%d nrdq=%d reqlen=%d\n",
priv->serdev.recv.head, priv->serdev.recv.tail, priv->nrdq, reqlen); priv->serdev.recv.head, priv->serdev.recv.tail, priv->nrdq, reqlen);
DEBUGASSERT(priv != NULL && rdcontainer != NULL);
#ifdef CONFIG_CDCACM_IFLOWCONTROL #ifdef CONFIG_CDCACM_IFLOWCONTROL
DEBUGASSERT(priv->rxenabled && !priv->iactive); DEBUGASSERT(priv->rxenabled && !priv->iactive);
#else #else