[PATCH v5] Staging: vt6655: iwctl.c: fix a sparse warning

[Jimmy Li]

fix a sparse warning and do some clean up.
iwctl.c:1846:35: expected restricted gfp_t [usertype] flags

Signed-off-by: Jimmy Li <coder.liss at gmail.com>
---
v1 fix a sparse warning.
v2 clear up two unnecessary variable, buf and blen.
v3 fix patch format.
v4 fix patch format again.
v5 make sizeof operator more clear, and fix patch format.

 drivers/staging/vt6655/iwctl.c |    9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index ac3fc16..394031b 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -1835,19 +1835,14 @@ int iwctl_siwencodeext(struct net_device *dev,
 	size_t seq_len = 0, key_len = 0;
 //
 	// int ii;
-	u8 *buf;
-	size_t blen;
 	u8 key_array[64];
 	int ret = 0;
 
 	PRINT_K("SIOCSIWENCODEEXT...... \n");
 
-	blen = sizeof(*param);
-	buf = kmalloc((int)blen, (int)GFP_KERNEL);
-	if (buf == NULL)
+	param = kzalloc(sizeof(*param), GFP_KERNEL);
+	if (param == NULL)
 		return -ENOMEM;
-	memset(buf, 0, blen);
-	param = (struct viawget_wpa_param *)buf;
 
 //recover alg_name
 	switch (ext->alg) {
-- 
1.7.9.5