powerpc/pseries: Use kmemdup

While looking at some code paths I came across this code that zeros
memory then copies over the entire length.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 75d336ab01bc..b74a9230edc9 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -55,13 +55,12 @@ static struct property *dlpar_parse_cc_property(struct cc_workarea *ccwa)
 
         prop->length = ccwa->prop_length;
         value = (char *)ccwa + ccwa->prop_offset;
-        prop->value = kzalloc(prop->length, GFP_KERNEL);
+        prop->value = kmemdup(value, prop->length, GFP_KERNEL);
         if (!prop->value) {
                 dlpar_free_cc_property(prop);
                 return NULL;
         }
 
-        memcpy(prop->value, value, prop->length);
         return prop;
 }