net/core: Remove unnecessary casts of private_data

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 1ee2ebd..24a19de 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -846,7 +846,7 @@
 			       const char __user * user_buffer, size_t count,
 			       loff_t * offset)
 {
-	struct seq_file *seq = (struct seq_file *)file->private_data;
+	struct seq_file *seq = file->private_data;
 	struct pktgen_dev *pkt_dev = seq->private;
 	int i = 0, max, len;
 	char name[16], valstr[32];
@@ -1776,7 +1776,7 @@
 				   const char __user * user_buffer,
 				   size_t count, loff_t * offset)
 {
-	struct seq_file *seq = (struct seq_file *)file->private_data;
+	struct seq_file *seq = file->private_data;
 	struct pktgen_thread *t = seq->private;
 	int i = 0, max, len, ret;
 	char name[40];