In dlpar_parse_cc_property(), 'prop->name' is allocated by kstrdup().
kstrdup() may return NULL, so it should be checked and handle error.
And prop should be freed if 'prop->name' is NULL.
Signed-off-by: Gen Zhang <[email protected]>
Acked-by: Nathan Lynch <[email protected]>
---
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 1795804..c852024 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -61,6 +61,10 @@ static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa)
name = (char *)ccwa + be32_to_cpu(ccwa->name_offset);
prop->name = kstrdup(name, GFP_KERNEL);
+ if (!prop->name) {
+ dlpar_free_cc_property(prop);
+ return NULL;
+ }
prop->length = be32_to_cpu(ccwa->prop_length);
value = (char *)ccwa + be32_to_cpu(ccwa->prop_offset);
---