[PATCH] EDAC, altera: Add missing of_node_put()

From: Huang Zijiang
Date: Thu Feb 14 2019 - 01:38:39 EST


The call to of_parse_phandle returns a node pointer with refcount
incremented thus it must be explicitly decremented here after the last
usage.

Signed-off-by: Huang Zijiang <huang.zijiang@xxxxxxxxxx>
---
drivers/edac/altera_edac.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index c89d82a..1bcd778 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1046,14 +1046,17 @@ altr_init_a10_ecc_block(struct device_node *np, u32 irq_mask,
return -ENODEV;
}

- if (of_address_to_resource(sysmgr_np, 0, &res))
+ if (of_address_to_resource(sysmgr_np, 0, &res)) {
+ of_node_put(sysmgr_np);
return -ENOMEM;
+ }

/* Need physical address for SMCC call */
base = res.start;

ecc_mgr_map = regmap_init(NULL, NULL, (void *)base,
&s10_sdram_regmap_cfg);
+ of_node_put(sysmgr_np);
}
of_node_put(np_eccmgr);
if (IS_ERR(ecc_mgr_map)) {
--
1.8.3.1