* [PATCH] sparc: kernel: Fix refcount bug in irq_64.c
@ 2022-06-19 6:18 Liang He
0 siblings, 0 replies; only message in thread
From: Liang He @ 2022-06-19 6:18 UTC (permalink / raw)
To: davem, windhl, sparclinux, linux-kernel
In map_prom_timers(), of_find_node_by_path() will return
a node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
---
arch/sparc/kernel/irq_64.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index c8848bb681a1..84abfe584a08 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -909,12 +909,13 @@ static u64 prom_limit0, prom_limit1;
static void map_prom_timers(void)
{
- struct device_node *dp;
+ struct device_node *dp, *tp;
const unsigned int *addr;
/* PROM timer node hangs out in the top level of device siblings... */
- dp = of_find_node_by_path("/");
- dp = dp->child;
+ tp = of_find_node_by_path("/");
+ dp = tp->child;
+ of_node_put(tp);
while (dp) {
if (of_node_name_eq(dp, "counter-timer"))
break;
--
2.25.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2022-06-19 6:18 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-06-19 6:18 [PATCH] sparc: kernel: Fix refcount bug in irq_64.c Liang He
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.