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paride: fix off-by-one test 

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@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Roel Kluin 2010-03-11 14:09:47 -08:00 committed by Jens Axboe
parent 39ad2bbb59
commit c12ec0a2d9
3 changed files with 6 additions and 6 deletions
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4
drivers/block/paride/pcd.c
View File

@ -341,11 +341,11 @@ 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);
if (j >= PCD_SPIN)
if (j > PCD_SPIN)
e |= 0x100;
if (fun)
printk("%s: %s %s: alt=0x%x stat=0x%x err=0x%x"

4
drivers/block/paride/pf.c
View File

@ -391,11 +391,11 @@ 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);
if (j >= PF_SPIN)
if (j > PF_SPIN)
e |= 0x100;
if (fun)
printk("%s: %s %s: alt=0x%x stat=0x%x err=0x%x"

4
drivers/block/paride/pt.c
View File

@ -274,11 +274,11 @@ 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);
if (j >= PT_SPIN)
if (j > PT_SPIN)
e |= 0x100;
if (fun)
printk("%s: %s %s: alt=0x%x stat=0x%x err=0x%x"