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Commit 8ee0df0d authored by Akinobu Mita's avatar Akinobu Mita Committed by Greg Kroah-Hartman
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staging: rts5208: fix transfer length 0 for 6-byte r/w commands 



For 6-byte r/w commands, transfer length 0 means 256 blocks of data,
not 0 block.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: Micky Ching <micky_ching@realsil.com.cn>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 07d783fd

drivers/staging/rts5208/rtsx_scsi.c

+6 −2
Original line number Diff line number Diff line
@@ -915,6 +915,8 @@ static int read_write(struct scsi_cmnd *srb, struct rtsx_chip *chip) 
		start_sec = ((u32)(srb->cmnd[1] & 0x1F) << 16) |

			((u32)srb->cmnd[2] << 8) | ((u32)srb->cmnd[3]);

		sec_cnt = srb->cmnd[4];

		if (sec_cnt == 0)

			sec_cnt = 256;

	} else if ((srb->cmnd[0] == VENDOR_CMND) &&

		(srb->cmnd[1] == SCSI_APP_CMD) &&

		((srb->cmnd[2] == PP_READ10) || (srb->cmnd[2] == PP_WRITE10))) {
@@ -2904,9 +2906,11 @@ void led_shine(struct scsi_cmnd *srb, struct rtsx_chip *chip) 


	if ((srb->cmnd[0] == READ_10) || (srb->cmnd[0] == WRITE_10))

		sec_cnt = ((u16)(srb->cmnd[7]) << 8) | srb->cmnd[8];

	else if ((srb->cmnd[0] == READ_6) || (srb->cmnd[0] == WRITE_6))

	else if ((srb->cmnd[0] == READ_6) || (srb->cmnd[0] == WRITE_6)) {

		sec_cnt = srb->cmnd[4];

	else

		if (sec_cnt == 0)

			sec_cnt = 256;

	} else

		return;



	if (chip->rw_cap[lun] >= GPIO_TOGGLE_THRESHOLD) {