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staging: vt6655: return early if not bNeedAck 

This patch will check for bNeedAck before making bb_get_frame_time call, so
in case we dont need uAckTime, we can return early.

Signed-off-by: Matej Dujava <mdujava@kocurkovo.cz>
Link: https://lore.kernel.org/r/1588520570-14388-2-git-send-email-mdujava@kocurkovo.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matej Dujava 2020-05-03 17:42:49 +02:00 committed by Greg Kroah-Hartman
parent e3b8577aa1
commit 3fc29573cf
1 changed files with 5 additions and 4 deletions
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7
drivers/staging/vt6655/rxtx.c
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@ -166,15 +166,16 @@ s_uGetTxRsvTime(
unsigned int uDataTime, uAckTime;
uDataTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, cbFrameLength, wRate);
if (!bNeedAck)
return uDataTime;
if (byPktType == PK_TYPE_11B) /* llb,CCK mode */
uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopCCKBasicRate);
else /* 11g 2.4G OFDM mode & 11a 5G OFDM mode */
uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14, (unsigned short)pDevice->byTopOFDMBasicRate);
if (bNeedAck)
return uDataTime + pDevice->uSIFS + uAckTime;
else
return uDataTime;
}
static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type,