Add check for the return value of devm_kstrdup() in
loongson2_guts_probe() to catch potential exception.
Fixes: b82621ac8450 ("soc: loongson: add GUTS driver for loongson-2 platforms")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
---
Changes in v2:
- modify the check position. Thanks, Binbin!
- modify the title description.
---
drivers/soc/loongson/loongson2_guts.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/loongson/loongson2_guts.c b/drivers/soc/loongson/loongson2_guts.c
index ae42e3a9127f..16913c3ef65c 100644
--- a/drivers/soc/loongson/loongson2_guts.c
+++ b/drivers/soc/loongson/loongson2_guts.c
@@ -114,8 +114,11 @@ static int loongson2_guts_probe(struct platform_device *pdev)
if (of_property_read_string(root, "model", &machine))
of_property_read_string_index(root, "compatible", 0, &machine);
of_node_put(root);
- if (machine)
+ if (machine) {
soc_dev_attr.machine = devm_kstrdup(dev, machine, GFP_KERNEL);
+ if (!soc_dev_attr.machine)
+ return -ENOMEM;
+ }
svr = loongson2_guts_get_svr();
soc_die = loongson2_soc_die_match(svr, loongson2_soc_die);
--
2.25.1