diff options
author | Akinobu Mita <akinobu.mita@gmail.com> | 2015-05-16 16:17:51 +0900 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-31 11:40:14 +0900 |
commit | 8ee0df0d0695f87075a77b0dc9f5f594b7ec423f (patch) | |
tree | cb0a7b655a2bee0b0a04c58a8e1962dd8ebd6311 /drivers/staging/rts5208 | |
parent | 07d783fd830a49008f3b2764ae7b6033ee1bf329 (diff) |
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: Akinobu 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rts5208')
-rw-r--r-- | drivers/staging/rts5208/rtsx_scsi.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/staging/rts5208/rtsx_scsi.c b/drivers/staging/rts5208/rtsx_scsi.c index 8a5d6a8e780f..60871f3022b1 100644 --- a/drivers/staging/rts5208/rtsx_scsi.c +++ b/drivers/staging/rts5208/rtsx_scsi.c @@ -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) { |