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authorRoel Kluin <roel.kluin@gmail.com>2010-03-11 14:09:47 -0800
committerJens Axboe <jens.axboe@oracle.com>2010-03-12 10:03:42 +0100
commitc12ec0a2d94001003dfb929ce14c287fca0522b0 (patch)
treefd901e7114ddc7e1c7905ad768b982b6ff17ef66 /drivers/block/paride
parent39ad2bbb5900d1bc9ae8f06cebb4cb2529d9e42e (diff)
downloadblackbird-op-linux-c12ec0a2d94001003dfb929ce14c287fca0522b0.tar.gz
blackbird-op-linux-c12ec0a2d94001003dfb929ce14c287fca0522b0.zip
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>
Diffstat (limited to 'drivers/block/paride')
-rw-r--r--drivers/block/paride/pcd.c4
-rw-r--r--drivers/block/paride/pf.c4
-rw-r--r--drivers/block/paride/pt.c4
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 8866ca369d5e..71acf4e53356 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -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"
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index ddb4f9abd480..c059aab3006b 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -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"
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 1e4006e18f03..bc5825fdeaab 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -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"
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