textsearch: convert kmalloc + memset to kzalloc

convert kmalloc + memset to kzalloc for alloc_ts_config

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h
index 6c34cf2..d9a85d6 100644
--- a/include/linux/textsearch.h
+++ b/include/linux/textsearch.h
@@ -162,11 +162,10 @@
 {
 	struct ts_config *conf;
 
-	conf = kmalloc(TS_PRIV_ALIGN(sizeof(*conf)) + payload, gfp_mask);
+	conf = kzalloc(TS_PRIV_ALIGN(sizeof(*conf)) + payload, gfp_mask);
 	if (conf == NULL)
 		return ERR_PTR(-ENOMEM);
 
-	memset(conf, 0, TS_PRIV_ALIGN(sizeof(*conf)) + payload);
 	return conf;
 }