[PATCH] oprofile, arm: initialize perf_event pointers with NULL

[Robert Richter]

The pointers must be NULL'ed to avoid double-freeing the pointers in
rare cases during reinitialization.

Signed-off-by: Robert Richter <robert.richter@xxxxxxx>
---
 arch/arm/oprofile/common.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index c3652f7..d660cb8 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -351,6 +351,8 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 {
 	int cpu, ret = 0;
 
+	memset(&perf_events, 0, sizeof(perf_events));
+
 	perf_num_counters = armpmu_get_max_events();
 
 	counter_config = kcalloc(perf_num_counters,
-- 
1.7.1.1


-- 
Advanced Micro Devices, Inc.
Operating System Research Center

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/