[PATCH] paride: test off by one

From: Roel Kluin
Date: Sun Dec 27 2009 - 09:42:20 EST


With `while (j++ < PX_SPIN)' j reaches PX_SPIN + 1 after the loop. This is
probably unlikely to produce a problem.

Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
drivers/block/paride/pcd.c | 2 +-
drivers/block/paride/pf.c | 2 +-
drivers/block/paride/pt.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 8866ca3..5b9b40b 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -341,7 +341,7 @@ static int pcd_wait(struct pcd_unit *cd, int go, int stop, char *fun, char *msg)
&& (j++ < PCD_SPIN))
udelay(PCD_DELAY);

- if ((r & (IDE_ERR & stop)) || (j >= PCD_SPIN)) {
+ if ((r & (IDE_ERR & stop)) || (j > PCD_SPIN)) {
s = read_reg(cd, 7);
e = read_reg(cd, 1);
p = read_reg(cd, 2);
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index ea54ea3..8418a36 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -391,7 +391,7 @@ static int pf_wait(struct pf_unit *pf, int go, int stop, char *fun, char *msg)
&& (j++ < PF_SPIN))
udelay(PF_SPIN_DEL);

- if ((r & (STAT_ERR & stop)) || (j >= PF_SPIN)) {
+ if ((r & (STAT_ERR & stop)) || (j > PF_SPIN)) {
s = read_reg(pf, 7);
e = read_reg(pf, 1);
p = read_reg(pf, 2);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 1e4006e..4fd99d9 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -274,7 +274,7 @@ static int pt_wait(struct pt_unit *tape, int go, int stop, char *fun, char *msg)
&& (j++ < PT_SPIN))
udelay(PT_SPIN_DEL);

- if ((r & (STAT_ERR & stop)) || (j >= PT_SPIN)) {
+ if ((r & (STAT_ERR & stop)) || (j > PT_SPIN)) {
s = read_reg(pi, 7);
e = read_reg(pi, 1);
p = read_reg(pi, 2);
--
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