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staging: vt6656: Remove unnecesssary NULL check

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pFifoHead points to tx_buffer->fifo_head which can never be NULL.
We also don't need to check for tx_buffer being NULL instead, since it
always points to ->Data of struct vnt_usb_send_context - the pointer to
which was checked before calling s_vGenerateTxParameter().

Silences a dereference before NULL check warning reported by the coverity
scanner in CID 1127221.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tobias Klauser 2014-04-25 15:39:12 +02:00 • committed by Greg Kroah-Hartman
commit 34bdb981f7
1 changed files with 0 additions and 3 deletions
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3
drivers/staging/vt6656/rxtx.c
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@ -813,9 +813,6 @@ static u16 s_vGenerateTxParameter(struct vnt_private *pDevice,
else if (wFifoCtl & FIFOCTL_AUTO_FB_1)
byFBOption = AUTO_FB_1;
if (!pFifoHead)
return 0;
if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {
if (need_rts) {
struct vnt_rrv_time_rts *pBuf =