[SCSI] nsp_cs: time_out reaches -1

With a postfix decrement timeouts will reach -1 rather than 0, so the
errors do not appear.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index 11a61ea8d5d9..70b60ade049e 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -530,7 +530,7 @@ static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask,
                 if (reg == 0xff) {
                         break;
                 }
-        } while ((time_out-- != 0) && (reg & mask) != 0);
+        } while ((--time_out != 0) && (reg & mask) != 0);
 
         if (time_out == 0) {
                 nsp_msg(KERN_DEBUG, " %s signal off timeut", str);
@@ -801,7 +801,7 @@ static void nsp_pio_read(struct scsi_cmnd *SCpnt)
 
         data->FifoCount = ocount;
 
-        if (time_out == 0) {
+        if (time_out < 0) {
                 nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d",
                         scsi_get_resid(SCpnt), SCpnt->SCp.this_residual,
                         SCpnt->SCp.buffers_residual);
@@ -897,7 +897,7 @@ static void nsp_pio_write(struct scsi_cmnd *SCpnt)
 
         data->FifoCount = ocount;
 
-        if (time_out == 0) {
+        if (time_out < 0) {
                 nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x",
                                                         scsi_get_resid(SCpnt));
         }