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authorHaoxiang Li <haoxiang_li2024@163.com>2025-02-20 16:17:14 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-02-27 04:30:22 -0800
commit0841885c73c46c6272fb6a3f13c6a5b8c33f8644 (patch)
treeca26f594a5d6bcfcb1f8f9a7809e17a720f1dec0
parent37b3d203610a248745886e444900e987b59533c3 (diff)
soc: loongson: loongson2_guts: Add check for devm_kstrdup()
commit e31e3f6c0ce473f7ce1e70d54ac8e3ed190509f8 upstream. 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> Link: https://lore.kernel.org/r/20250220081714.2676828-1-haoxiang_li2024@163.com Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/soc/loongson/loongson2_guts.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/soc/loongson/loongson2_guts.c b/drivers/soc/loongson/loongson2_guts.c
index ef352a0f5022..1fcf7ca8083e 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);