From 4b01a0b1613beeb01e12c78feb69e98f0da0a69a Mon Sep 17 00:00:00 2001
From: Denis Cheng <crquan@gmail.com>
Date: Tue, 4 Dec 2007 23:45:07 -0800
Subject: [PATCH] mm/backing-dev.c: fix percpu_counter_destroy call bug in
bdi_init
this call should use the array index j, not i. But with this approach, just
one int i is enough, int j is not needed.
Signed-off-by: Denis Cheng <crquan@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
mm/backing-dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index b0ceb29da4c7..e8644b1e5527 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -7,7 +7,7 @@
int bdi_init(struct backing_dev_info *bdi)
{
- int i, j;
+ int i;
int err;
for (i = 0; i < NR_BDI_STAT_ITEMS; i++) {
@@ -21,7 +21,7 @@ int bdi_init(struct backing_dev_info *bdi)
if (err) {
err:
- for (j = 0; j < i; j++)
+ while (i--)
percpu_counter_destroy(&bdi->bdi_stat[i]);
}
--
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