linux-kernel - [PATCH] perf/hwbp: Fix cleanup in case of kzalloc failure

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Message-Id: <1360186160-7566-1-git-send-email-dbaluta@ixiacom.com>
Date:	Wed,  6 Feb 2013 23:29:20 +0200
From:	Daniel Baluta <dbaluta@...acom.com>
To:	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	acme@...stprotocols.net, linux-kernel@...r.kernel.org,
	fweisbec@...il.com
Cc:	Daniel Baluta <dbaluta@...acom.com>
Subject: [PATCH] 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>
---
 kernel/events/hw_breakpoint.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

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;
 	}
-- 
1.7.5.4

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