diff mbox series

mtd: parsers: ofpart: Fix refcount leak in bcm4908_partitions_fw_offset

Message ID 20220605070726.5979-1-linmq006@gmail.com
State Accepted
Headers show
Series mtd: parsers: ofpart: Fix refcount leak in bcm4908_partitions_fw_offset | expand

Commit Message

Miaoqian Lin June 5, 2022, 7:07 a.m. UTC
of_find_node_by_path() returns a node pointer with refcount incremented,
we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Fixes: bb17230c61a6 ("mtd: parsers: ofpart: support BCM4908 fixed partitions")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/mtd/parsers/ofpart_bcm4908.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Miquel Raynal June 9, 2022, 12:42 p.m. UTC | #1
On Sun, 2022-06-05 at 07:07:23 UTC, Miaoqian Lin wrote:
> of_find_node_by_path() returns a node pointer with refcount incremented,
> we should use of_node_put() on it when not need anymore.
> Add missing of_node_put() to avoid refcount leak.
> 
> Fixes: bb17230c61a6 ("mtd: parsers: ofpart: support BCM4908 fixed partitions")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.

Miquel
diff mbox series

Patch

diff --git a/drivers/mtd/parsers/ofpart_bcm4908.c b/drivers/mtd/parsers/ofpart_bcm4908.c
index 0eddef4c198e..bb072a0940e4 100644
--- a/drivers/mtd/parsers/ofpart_bcm4908.c
+++ b/drivers/mtd/parsers/ofpart_bcm4908.c
@@ -35,12 +35,15 @@  static long long bcm4908_partitions_fw_offset(void)
 		err = kstrtoul(s + len + 1, 0, &offset);
 		if (err) {
 			pr_err("failed to parse %s\n", s + len + 1);
+			of_node_put(root);
 			return err;
 		}
 
+		of_node_put(root);
 		return offset << 10;
 	}
 
+	of_node_put(root);
 	return -ENOENT;
 }