Re: [PATCH 2/2] staging: vt6655: fix LONG_LINE warning

From: Joe Perches
Date: Sun May 03 2020 - 01:12:01 EST


On Sun, 2020-05-03 at 00:16 +0200, Matej Dujava wrote:
> This patch will fix LONG_LINE error from checkpatch, by createing temporary
> variable so call to the function is not in if/else block.
[]
> diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
[]
> @@ -164,16 +164,24 @@ s_uGetTxRsvTime(
> )
> {
> unsigned int uDataTime, uAckTime;
> + unsigned short basic_rate;
>
> 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);
> + /*
> + * CCK mode - 11b
> + * OFDM mode - 11g 2.4G & 11a 5G
> + */
> + if (byPktType == PK_TYPE_11B)
> + basic_rate = (unsigned short)pDevice->byTopCCKBasicRate;
> + else
> + basic_rate = (unsigned short)pDevice->byTopOFDMBasicRate;
> +
> + uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14,
> + basic_rate);
>
> return uDataTime + pDevice->uSIFS + uAckTime;
> }

perhaps simpler using a ?:

uAckTime = bb_get_frame_time(pDevice->byPreambleType, byPktType, 14,
byPktType == PK_TYPE_11B
? pDevice->byTopCCKBasicRate
: pDevice->byTopOFDMBasicRate);

the casts aren't necessary either as both by... fields are u8