[firefly] [PATCH] net: replace kmalloc and memcpy by kmemdup

[Valentina Manea]

This patch replaces kmalloc and memcpy usage for
duplicating a memory region by kmemdup.

Signed-off-by: Valentina Manea <valentina.manea.m at gmail.com>
---
 net/dns_resolver/dns_query.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index c32be29..4ac62fb 100644
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -146,11 +146,10 @@ int dns_query(const char *type, const char *name, size_t namelen,
 	len = upayload->datalen;
 
 	ret = -ENOMEM;
-	*_result = kmalloc(len + 1, GFP_KERNEL);
+	*_result = kmemdup(upayload->data, len + 1, GFP_KERNEL);
 	if (!*_result)
 		goto put;
 
-	memcpy(*_result, upayload->data, len + 1);
 	if (_expiry)
 		*_expiry = rkey->expiry;
 
-- 
1.7.10.4