Re: [PATCH 1/2] arm64: perf: Don't use of_node after putting it
From: Stephen Boyd
Date: Fri Jun 05 2015 - 14:53:18 EST
On 06/05/2015 07:45 AM, Will Deacon wrote:
On Wed, Jun 03, 2015 at 09:53:37PM +0100, Stephen Boyd wrote:
arch/arm64/kernel/perf_event.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index 702591f6180a..8af7784a8e35 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1340,12 +1340,13 @@ static int armpmu_device_probe(struct platform_device *pdev)
if (arch_find_n_match_cpu_physical_id(dn, cpu, NULL))
break;
- of_node_put(dn);
if (cpu >= nr_cpu_ids) {
pr_warn("Failed to find logical CPU for %s\n",
dn->name);
+ of_node_put(dn);
break;
}
+ of_node_put(dn);
irqs[i] = cpu;
}
Yeah, I agree this needs changing but given (a) the CPU node isn't going
to disappear and (b) this patch will conflict horribly with my queue for
4.2, do you mind if I sit on this until after the merge window (as a fix
for 4.2)?
Sure, no problem.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
--
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/