This is a note to let you know that I've just added the patch titled
soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
soc-ti-pm33xx-fix-refcount-leak-in-am33xx_pm_probe.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c0c5270b25b1e76e55de85c10feaac0b0ebbd439
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Fri Jan 6 09:40:22 2023 +0400
soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe
[ Upstream commit 8f3c307b580a4a6425896007325bddefc36e8d91 ]
wkup_m3_ipc_get() takes refcount, which should be freed by
wkup_m3_ipc_put(). Add missing refcount release in the error paths.
Fixes: 5a99ae0092fe ("soc: ti: pm33xx: AM437X: Add rtc_only with ddr in self-refresh support")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230106054022.947529-1-linmq006@xxxxxxxxx
Signed-off-by: Nishanth Menon <nm@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c
index 7bab4bbaf02dc..285302bf3ef91 100644
--- a/drivers/soc/ti/pm33xx.c
+++ b/drivers/soc/ti/pm33xx.c
@@ -527,7 +527,7 @@ static int am33xx_pm_probe(struct platform_device *pdev)
ret = am33xx_pm_alloc_sram();
if (ret)
- return ret;
+ goto err_wkup_m3_ipc_put;
ret = am33xx_pm_rtc_setup();
if (ret)
@@ -574,13 +574,14 @@ static int am33xx_pm_probe(struct platform_device *pdev)
pm_runtime_put_sync(dev);
err_pm_runtime_disable:
pm_runtime_disable(dev);
- wkup_m3_ipc_put(m3_ipc);
err_unsetup_rtc:
iounmap(rtc_base_virt);
clk_put(rtc_fck);
err_free_sram:
am33xx_pm_free_sram();
pm33xx_dev = NULL;
+err_wkup_m3_ipc_put:
+ wkup_m3_ipc_put(m3_ipc);
return ret;
}
