linux-kernel - [tip:perf/urgent] perf/hwbp: Fix cleanup in case of kzalloc() failure

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Date:	Thu, 7 Feb 2013 04:11:25 -0800
From:	tip-bot for Daniel Baluta <dbaluta@...acom.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, dbaluta@...acom.com, hpa@...or.com,
	mingo@...nel.org, fweisbec@...il.com, tglx@...utronix.de
Subject: [tip:perf/urgent] perf/hwbp: Fix cleanup in case of kzalloc()
  failure

Commit-ID:  e97cbe3edf7d88aad4c21dd3de124d9f9d039881
Gitweb:     http://git.kernel.org/tip/e97cbe3edf7d88aad4c21dd3de124d9f9d039881
Author:     Daniel Baluta <dbaluta@...acom.com>
AuthorDate: Wed, 6 Feb 2013 23:29:20 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 7 Feb 2013 11:52:19 +0100

perf/hwbp: Fix cleanup in case of kzalloc() failure

Obviously this is a typo and could result in memory leaks
if kzalloc fails on a given cpu.

Signed-off-by: Daniel Baluta <dbaluta@...acom.com>
Acked-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: a.p.zijlstra@...llo.nl
Cc: paulus@...ba.org
Cc: acme@...stprotocols.net
Link: http://lkml.kernel.org/r/1360186160-7566-1-git-send-email-dbaluta@ixiacom.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/events/hw_breakpoint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c
index fe8a916..a64f8ae 100644
--- a/kernel/events/hw_breakpoint.c
+++ b/kernel/events/hw_breakpoint.c
@@ -676,7 +676,7 @@ int __init init_hw_breakpoint(void)
  err_alloc:
 	for_each_possible_cpu(err_cpu) {
 		for (i = 0; i < TYPE_MAX; i++)
-			kfree(per_cpu(nr_task_bp_pinned[i], cpu));
+			kfree(per_cpu(nr_task_bp_pinned[i], err_cpu));
 		if (err_cpu == cpu)
 			break;
 	}
--
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