[PATCH] media: dvb-frontends: Use kmemdup instead of duplicating its function

From: zhong jiang
Date: Tue Sep 18 2018 - 11:42:57 EST


kmemdup has implemented the function that kmalloc() + memcpy().
We prefer to kmemdup rather than code opened implementation.

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
drivers/media/dvb-frontends/lgdt3306a.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c
index 0e1f5da..abec2e5 100644
--- a/drivers/media/dvb-frontends/lgdt3306a.c
+++ b/drivers/media/dvb-frontends/lgdt3306a.c
@@ -2205,15 +2205,13 @@ static int lgdt3306a_probe(struct i2c_client *client,
struct dvb_frontend *fe;
int ret;

- config = kzalloc(sizeof(struct lgdt3306a_config), GFP_KERNEL);
+ onfig = kmemdup(client->dev.platform_data,
+ sizeof(struct lgdt3306a_config), GFP_KERNEL);
if (config == NULL) {
ret = -ENOMEM;
goto fail;
}

- memcpy(config, client->dev.platform_data,
- sizeof(struct lgdt3306a_config));
-
config->i2c_addr = client->addr;
fe = lgdt3306a_attach(config, client->adapter);
if (fe == NULL) {
--
1.7.12.4